Home / 347,661.02-521,572.40-107,762.20

Finding the Fourth Proportional to 347,661.02, 521,572.40 and 107,762.20

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Solution

The fourth proportional to 347,661.02, 521,572.40 and 107,762.20 is: 161,668.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,661.02 : 521,572.40 = 107,762.20 : x
  2. Step 2: Convert to fraction form
    347,661.02/521,572.40 = 107,762.20/x
  3. Step 3: Cross multiply
    347,661.02x = 521,572.40 × 107,762.20
  4. Step 4: Simplify right side
    347,661.02x = 56,205,789,283.28
  5. Step 5: Solve for x
    x = 56,205,789,283.28/347,661.02
  6. Step 6: Final answer
    x = 161,668.37

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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.