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Finding the Fourth Proportional to 615,876.80, 923,623.20 and 242,014.40

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Solution

The fourth proportional to 615,876.80, 923,623.20 and 242,014.40 is: 362,946.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,876.80 : 923,623.20 = 242,014.40 : x
  2. Step 2: Convert to fraction form
    615,876.80/923,623.20 = 242,014.40/x
  3. Step 3: Cross multiply
    615,876.80x = 923,623.20 × 242,014.40
  4. Step 4: Simplify right side
    615,876.80x = 223,530,114,574.08
  5. Step 5: Solve for x
    x = 223,530,114,574.08/615,876.80
  6. Step 6: Final answer
    x = 362,946.15

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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.