Home / 347,470.02-521,210.16-137,106

Finding the Fourth Proportional to 347,470.02, 521,210.16 and 137,106

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Solution

The fourth proportional to 347,470.02, 521,210.16 and 137,106 is: 205,661.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,470.02 : 521,210.16 = 137,106 : x
  2. Step 2: Convert to fraction form
    347,470.02/521,210.16 = 137,106/x
  3. Step 3: Cross multiply
    347,470.02x = 521,210.16 × 137,106
  4. Step 4: Simplify right side
    347,470.02x = 71,461,040,196.96
  5. Step 5: Solve for x
    x = 71,461,040,196.96/347,470.02
  6. Step 6: Final answer
    x = 205,661.02

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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.