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Finding the Fourth Proportional to 242,219.20, 363,285.60 and 153,313.60

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Solution

The fourth proportional to 242,219.20, 363,285.60 and 153,313.60 is: 229,943.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,219.20 : 363,285.60 = 153,313.60 : x
  2. Step 2: Convert to fraction form
    242,219.20/363,285.60 = 153,313.60/x
  3. Step 3: Cross multiply
    242,219.20x = 363,285.60 × 153,313.60
  4. Step 4: Simplify right side
    242,219.20x = 55,696,623,164.16
  5. Step 5: Solve for x
    x = 55,696,623,164.16/242,219.20
  6. Step 6: Final answer
    x = 229,943.06

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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.