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Finding the Fourth Proportional to 267,275.62, 368,840.51 and 146,421.28

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Solution

The fourth proportional to 267,275.62, 368,840.51 and 146,421.28 is: 202,061.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,275.62 : 368,840.51 = 146,421.28 : x
  2. Step 2: Convert to fraction form
    267,275.62/368,840.51 = 146,421.28/x
  3. Step 3: Cross multiply
    267,275.62x = 368,840.51 × 146,421.28
  4. Step 4: Simplify right side
    267,275.62x = 54,006,099,590.05
  5. Step 5: Solve for x
    x = 54,006,099,590.05/267,275.62
  6. Step 6: Final answer
    x = 202,061.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.