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Finding the Fourth Proportional to 624,736.76, 937,096.80 and 151,426.28

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Solution

The fourth proportional to 624,736.76, 937,096.80 and 151,426.28 is: 227,137.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,736.76 : 937,096.80 = 151,426.28 : x
  2. Step 2: Convert to fraction form
    624,736.76/937,096.80 = 151,426.28/x
  3. Step 3: Cross multiply
    624,736.76x = 937,096.80 × 151,426.28
  4. Step 4: Simplify right side
    624,736.76x = 141,901,082,423.90
  5. Step 5: Solve for x
    x = 141,901,082,423.90/624,736.76
  6. Step 6: Final answer
    x = 227,137.40

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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.