Home / 288,001.51-397,439.28-158,941.18

Finding the Fourth Proportional to 288,001.51, 397,439.28 and 158,941.18

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Solution

The fourth proportional to 288,001.51, 397,439.28 and 158,941.18 is: 219,337.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,001.51 : 397,439.28 = 158,941.18 : x
  2. Step 2: Convert to fraction form
    288,001.51/397,439.28 = 158,941.18/x
  3. Step 3: Cross multiply
    288,001.51x = 397,439.28 × 158,941.18
  4. Step 4: Simplify right side
    288,001.51x = 63,169,468,141.55
  5. Step 5: Solve for x
    x = 63,169,468,141.55/288,001.51
  6. Step 6: Final answer
    x = 219,337.28

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1.5x scale

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.