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Finding the Fourth Proportional to 272,475.60, 376,026.96 and 164,984.88

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Solution

The fourth proportional to 272,475.60, 376,026.96 and 164,984.88 is: 227,685.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,475.60 : 376,026.96 = 164,984.88 : x
  2. Step 2: Convert to fraction form
    272,475.60/376,026.96 = 164,984.88/x
  3. Step 3: Cross multiply
    272,475.60x = 376,026.96 × 164,984.88
  4. Step 4: Simplify right side
    272,475.60x = 62,038,762,872.36
  5. Step 5: Solve for x
    x = 62,038,762,872.36/272,475.60
  6. Step 6: Final answer
    x = 227,685.57

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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.