Home / 546,996.16-820,487.64-142,152.50

Finding the Fourth Proportional to 546,996.16, 820,487.64 and 142,152.50

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Solution

The fourth proportional to 546,996.16, 820,487.64 and 142,152.50 is: 213,227.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,996.16 : 820,487.64 = 142,152.50 : x
  2. Step 2: Convert to fraction form
    546,996.16/820,487.64 = 142,152.50/x
  3. Step 3: Cross multiply
    546,996.16x = 820,487.64 × 142,152.50
  4. Step 4: Simplify right side
    546,996.16x = 116,634,369,245.10
  5. Step 5: Solve for x
    x = 116,634,369,245.10/546,996.16
  6. Step 6: Final answer
    x = 213,227.03

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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.