Home / 442,056.15-662,526.68-189,037.53

Finding the Fourth Proportional to 442,056.15, 662,526.68 and 189,037.53

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Solution

The fourth proportional to 442,056.15, 662,526.68 and 189,037.53 is: 283,317.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,056.15 : 662,526.68 = 189,037.53 : x
  2. Step 2: Convert to fraction form
    442,056.15/662,526.68 = 189,037.53/x
  3. Step 3: Cross multiply
    442,056.15x = 662,526.68 × 189,037.53
  4. Step 4: Simplify right side
    442,056.15x = 125,242,406,201.11
  5. Step 5: Solve for x
    x = 125,242,406,201.11/442,056.15
  6. Step 6: Final answer
    x = 283,317.87

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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.