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Finding the Fourth Proportional to 453,000.30, 680,018.85 and 266,117.10

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Solution

The fourth proportional to 453,000.30, 680,018.85 and 266,117.10 is: 399,480.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,000.30 : 680,018.85 = 266,117.10 : x
  2. Step 2: Convert to fraction form
    453,000.30/680,018.85 = 266,117.10/x
  3. Step 3: Cross multiply
    453,000.30x = 680,018.85 × 266,117.10
  4. Step 4: Simplify right side
    453,000.30x = 180,964,644,307.34
  5. Step 5: Solve for x
    x = 180,964,644,307.34/453,000.30
  6. Step 6: Final answer
    x = 399,480.19

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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.