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Finding the Fourth Proportional to 454,518.56, 627,257.04 and 253,316

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Solution

The fourth proportional to 454,518.56, 627,257.04 and 253,316 is: 349,588.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,518.56 : 627,257.04 = 253,316 : x
  2. Step 2: Convert to fraction form
    454,518.56/627,257.04 = 253,316/x
  3. Step 3: Cross multiply
    454,518.56x = 627,257.04 × 253,316
  4. Step 4: Simplify right side
    454,518.56x = 158,894,244,344.64
  5. Step 5: Solve for x
    x = 158,894,244,344.64/454,518.56
  6. Step 6: Final answer
    x = 349,588.02

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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.