Home / 651,529.12-977,294.40-178,179.52

Finding the Fourth Proportional to 651,529.12, 977,294.40 and 178,179.52

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Solution

The fourth proportional to 651,529.12, 977,294.40 and 178,179.52 is: 267,269.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,529.12 : 977,294.40 = 178,179.52 : x
  2. Step 2: Convert to fraction form
    651,529.12/977,294.40 = 178,179.52/x
  3. Step 3: Cross multiply
    651,529.12x = 977,294.40 × 178,179.52
  4. Step 4: Simplify right side
    651,529.12x = 174,133,847,090.69
  5. Step 5: Solve for x
    x = 174,133,847,090.69/651,529.12
  6. Step 6: Final answer
    x = 267,269.48

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.