Home / 374,430.54-516,984.75-231,386.70

Finding the Fourth Proportional to 374,430.54, 516,984.75 and 231,386.70

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Solution

The fourth proportional to 374,430.54, 516,984.75 and 231,386.70 is: 319,480.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,430.54 : 516,984.75 = 231,386.70 : x
  2. Step 2: Convert to fraction form
    374,430.54/516,984.75 = 231,386.70/x
  3. Step 3: Cross multiply
    374,430.54x = 516,984.75 × 231,386.70
  4. Step 4: Simplify right side
    374,430.54x = 119,623,395,252.83
  5. Step 5: Solve for x
    x = 119,623,395,252.83/374,430.54
  6. Step 6: Final answer
    x = 319,480.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.