Home / 238,913.30-358,369.95-72,748.82

Finding the Fourth Proportional to 238,913.30, 358,369.95 and 72,748.82

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Solution

The fourth proportional to 238,913.30, 358,369.95 and 72,748.82 is: 109,123.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,913.30 : 358,369.95 = 72,748.82 : x
  2. Step 2: Convert to fraction form
    238,913.30/358,369.95 = 72,748.82/x
  3. Step 3: Cross multiply
    238,913.30x = 358,369.95 × 72,748.82
  4. Step 4: Simplify right side
    238,913.30x = 26,070,990,985.96
  5. Step 5: Solve for x
    x = 26,070,990,985.96/238,913.30
  6. Step 6: Final answer
    x = 109,123.23

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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.