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Finding the Fourth Proportional to 495,244.32, 742,768.20 and 242,416.32

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Solution

The fourth proportional to 495,244.32, 742,768.20 and 242,416.32 is: 363,576.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,244.32 : 742,768.20 = 242,416.32 : x
  2. Step 2: Convert to fraction form
    495,244.32/742,768.20 = 242,416.32/x
  3. Step 3: Cross multiply
    495,244.32x = 742,768.20 × 242,416.32
  4. Step 4: Simplify right side
    495,244.32x = 180,059,133,657.02
  5. Step 5: Solve for x
    x = 180,059,133,657.02/495,244.32
  6. Step 6: Final answer
    x = 363,576.37

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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.