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Finding the Fourth Proportional to 242,557.90, 340,280.90 and 242,557.90

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Solution

The fourth proportional to 242,557.90, 340,280.90 and 242,557.90 is: 340,280.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,557.90 : 340,280.90 = 242,557.90 : x
  2. Step 2: Convert to fraction form
    242,557.90/340,280.90 = 242,557.90/x
  3. Step 3: Cross multiply
    242,557.90x = 340,280.90 × 242,557.90
  4. Step 4: Simplify right side
    242,557.90x = 82,537,820,514.11
  5. Step 5: Solve for x
    x = 82,537,820,514.11/242,557.90
  6. Step 6: Final answer
    x = 340,280.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.