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Finding the Fourth Proportional to 243,572.40, 365,358.60 and 155,217.60

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Solution

The fourth proportional to 243,572.40, 365,358.60 and 155,217.60 is: 232,826.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,572.40 : 365,358.60 = 155,217.60 : x
  2. Step 2: Convert to fraction form
    243,572.40/365,358.60 = 155,217.60/x
  3. Step 3: Cross multiply
    243,572.40x = 365,358.60 × 155,217.60
  4. Step 4: Simplify right side
    243,572.40x = 56,710,085,031.36
  5. Step 5: Solve for x
    x = 56,710,085,031.36/243,572.40
  6. Step 6: Final answer
    x = 232,826.40

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1.5x scale

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.