Home / 387,177.80-534,320.36-264,926.45

Finding the Fourth Proportional to 387,177.80, 534,320.36 and 264,926.45

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Solution

The fourth proportional to 387,177.80, 534,320.36 and 264,926.45 is: 365,608.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,177.80 : 534,320.36 = 264,926.45 : x
  2. Step 2: Convert to fraction form
    387,177.80/534,320.36 = 264,926.45/x
  3. Step 3: Cross multiply
    387,177.80x = 534,320.36 × 264,926.45
  4. Step 4: Simplify right side
    387,177.80x = 141,555,595,626.82
  5. Step 5: Solve for x
    x = 141,555,595,626.82/387,177.80
  6. Step 6: Final answer
    x = 365,608.76

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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.