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Finding the Fourth Proportional to 245,862.70, 368,794.05 and 243,529.90

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Solution

The fourth proportional to 245,862.70, 368,794.05 and 243,529.90 is: 365,294.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,862.70 : 368,794.05 = 243,529.90 : x
  2. Step 2: Convert to fraction form
    245,862.70/368,794.05 = 243,529.90/x
  3. Step 3: Cross multiply
    245,862.70x = 368,794.05 × 243,529.90
  4. Step 4: Simplify right side
    245,862.70x = 89,812,378,117.10
  5. Step 5: Solve for x
    x = 89,812,378,117.10/245,862.70
  6. Step 6: Final answer
    x = 365,294.85

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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.