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Finding the Fourth Proportional to 450,675.95, 621,896.04 and 257,082.71

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Solution

The fourth proportional to 450,675.95, 621,896.04 and 257,082.71 is: 354,753.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,675.95 : 621,896.04 = 257,082.71 : x
  2. Step 2: Convert to fraction form
    450,675.95/621,896.04 = 257,082.71/x
  3. Step 3: Cross multiply
    450,675.95x = 621,896.04 × 257,082.71
  4. Step 4: Simplify right side
    450,675.95x = 159,878,716,191.99
  5. Step 5: Solve for x
    x = 159,878,716,191.99/450,675.95
  6. Step 6: Final answer
    x = 354,753.16

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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.