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Finding the Fourth Proportional to 236,875.60, 355,572.60 and 148,229.20

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Solution

The fourth proportional to 236,875.60, 355,572.60 and 148,229.20 is: 222,506.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,875.60 : 355,572.60 = 148,229.20 : x
  2. Step 2: Convert to fraction form
    236,875.60/355,572.60 = 148,229.20/x
  3. Step 3: Cross multiply
    236,875.60x = 355,572.60 × 148,229.20
  4. Step 4: Simplify right side
    236,875.60x = 52,706,242,039.92
  5. Step 5: Solve for x
    x = 52,706,242,039.92/236,875.60
  6. Step 6: Final answer
    x = 222,506.00

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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.