Home / 372,988.07-514,767.29-209,644.81

Finding the Fourth Proportional to 372,988.07, 514,767.29 and 209,644.81

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Solution

The fourth proportional to 372,988.07, 514,767.29 and 209,644.81 is: 289,334.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,988.07 : 514,767.29 = 209,644.81 : x
  2. Step 2: Convert to fraction form
    372,988.07/514,767.29 = 209,644.81/x
  3. Step 3: Cross multiply
    372,988.07x = 514,767.29 × 209,644.81
  4. Step 4: Simplify right side
    372,988.07x = 107,918,290,140.00
  5. Step 5: Solve for x
    x = 107,918,290,140.00/372,988.07
  6. Step 6: Final answer
    x = 289,334.43

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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.