Home / 288,341.43-432,479.31-77,962.96

Finding the Fourth Proportional to 288,341.43, 432,479.31 and 77,962.96

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Solution

The fourth proportional to 288,341.43, 432,479.31 and 77,962.96 is: 116,935.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,341.43 : 432,479.31 = 77,962.96 : x
  2. Step 2: Convert to fraction form
    288,341.43/432,479.31 = 77,962.96/x
  3. Step 3: Cross multiply
    288,341.43x = 432,479.31 × 77,962.96
  4. Step 4: Simplify right side
    288,341.43x = 33,717,367,146.36
  5. Step 5: Solve for x
    x = 33,717,367,146.36/288,341.43
  6. Step 6: Final answer
    x = 116,935.56

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1.5x scale

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.