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Finding the Fourth Proportional to 540,754.50, 811,073.36 and 180,884.55

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Solution

The fourth proportional to 540,754.50, 811,073.36 and 180,884.55 is: 271,307.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,754.50 : 811,073.36 = 180,884.55 : x
  2. Step 2: Convert to fraction form
    540,754.50/811,073.36 = 180,884.55/x
  3. Step 3: Cross multiply
    540,754.50x = 811,073.36 × 180,884.55
  4. Step 4: Simplify right side
    540,754.50x = 146,710,638,836.17
  5. Step 5: Solve for x
    x = 146,710,638,836.17/540,754.50
  6. Step 6: Final answer
    x = 271,307.29

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1.5x scale

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.