Home / 288,123.94-397,633.02-159,087.29

Finding the Fourth Proportional to 288,123.94, 397,633.02 and 159,087.29

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Solution

The fourth proportional to 288,123.94, 397,633.02 and 159,087.29 is: 219,552.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,123.94 : 397,633.02 = 159,087.29 : x
  2. Step 2: Convert to fraction form
    288,123.94/397,633.02 = 159,087.29/x
  3. Step 3: Cross multiply
    288,123.94x = 397,633.02 × 159,087.29
  4. Step 4: Simplify right side
    288,123.94x = 63,258,359,566.32
  5. Step 5: Solve for x
    x = 63,258,359,566.32/288,123.94
  6. Step 6: Final answer
    x = 219,552.60

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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.