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Finding the Fourth Proportional to 228,559.84, 341,449.80 and 147,941.02

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Solution

The fourth proportional to 228,559.84, 341,449.80 and 147,941.02 is: 221,011.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,559.84 : 341,449.80 = 147,941.02 : x
  2. Step 2: Convert to fraction form
    228,559.84/341,449.80 = 147,941.02/x
  3. Step 3: Cross multiply
    228,559.84x = 341,449.80 × 147,941.02
  4. Step 4: Simplify right side
    228,559.84x = 50,514,432,117.61
  5. Step 5: Solve for x
    x = 50,514,432,117.61/228,559.84
  6. Step 6: Final answer
    x = 221,011.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.