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Finding the Fourth Proportional to 291,030.60, 436,545.90 and 291,030.60

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Solution

The fourth proportional to 291,030.60, 436,545.90 and 291,030.60 is: 436,545.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,030.60 : 436,545.90 = 291,030.60 : x
  2. Step 2: Convert to fraction form
    291,030.60/436,545.90 = 291,030.60/x
  3. Step 3: Cross multiply
    291,030.60x = 436,545.90 × 291,030.60
  4. Step 4: Simplify right side
    291,030.60x = 127,048,215,204.54
  5. Step 5: Solve for x
    x = 127,048,215,204.54/291,030.60
  6. Step 6: Final answer
    x = 436,545.90

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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.