Home / 387,703.02-581,316.32-150,769.46

Finding the Fourth Proportional to 387,703.02, 581,316.32 and 150,769.46

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Solution

The fourth proportional to 387,703.02, 581,316.32 and 150,769.46 is: 226,061.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,703.02 : 581,316.32 = 150,769.46 : x
  2. Step 2: Convert to fraction form
    387,703.02/581,316.32 = 150,769.46/x
  3. Step 3: Cross multiply
    387,703.02x = 581,316.32 × 150,769.46
  4. Step 4: Simplify right side
    387,703.02x = 87,644,747,655.59
  5. Step 5: Solve for x
    x = 87,644,747,655.59/387,703.02
  6. Step 6: Final answer
    x = 226,061.56

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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.