Home / 337,639.09-506,271.67-138,099.61

Finding the Fourth Proportional to 337,639.09, 506,271.67 and 138,099.61

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Solution

The fourth proportional to 337,639.09, 506,271.67 and 138,099.61 is: 207,072.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,639.09 : 506,271.67 = 138,099.61 : x
  2. Step 2: Convert to fraction form
    337,639.09/506,271.67 = 138,099.61/x
  3. Step 3: Cross multiply
    337,639.09x = 506,271.67 × 138,099.61
  4. Step 4: Simplify right side
    337,639.09x = 69,915,916,959.19
  5. Step 5: Solve for x
    x = 69,915,916,959.19/337,639.09
  6. Step 6: Final answer
    x = 207,072.93

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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.