Home / 387,377.01-581,240.79-197,739.45

Finding the Fourth Proportional to 387,377.01, 581,240.79 and 197,739.45

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Solution

The fourth proportional to 387,377.01, 581,240.79 and 197,739.45 is: 296,698.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,377.01 : 581,240.79 = 197,739.45 : x
  2. Step 2: Convert to fraction form
    387,377.01/581,240.79 = 197,739.45/x
  3. Step 3: Cross multiply
    387,377.01x = 581,240.79 × 197,739.45
  4. Step 4: Simplify right side
    387,377.01x = 114,934,234,132.17
  5. Step 5: Solve for x
    x = 114,934,234,132.17/387,377.01
  6. Step 6: Final answer
    x = 296,698.65

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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.