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Finding the Fourth Proportional to 450,349.12, 675,592.80 and 154,792

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Solution

The fourth proportional to 450,349.12, 675,592.80 and 154,792 is: 232,211.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,349.12 : 675,592.80 = 154,792 : x
  2. Step 2: Convert to fraction form
    450,349.12/675,592.80 = 154,792/x
  3. Step 3: Cross multiply
    450,349.12x = 675,592.80 × 154,792
  4. Step 4: Simplify right side
    450,349.12x = 104,576,360,697.60
  5. Step 5: Solve for x
    x = 104,576,360,697.60/450,349.12
  6. Step 6: Final answer
    x = 232,211.76

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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.