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Finding the Fourth Proportional to 453,149.18, 625,393.66 and 259,572.34

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Solution

The fourth proportional to 453,149.18, 625,393.66 and 259,572.34 is: 358,237.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,149.18 : 625,393.66 = 259,572.34 : x
  2. Step 2: Convert to fraction form
    453,149.18/625,393.66 = 259,572.34/x
  3. Step 3: Cross multiply
    453,149.18x = 625,393.66 × 259,572.34
  4. Step 4: Simplify right side
    453,149.18x = 162,334,895,747.36
  5. Step 5: Solve for x
    x = 162,334,895,747.36/453,149.18
  6. Step 6: Final answer
    x = 358,237.21

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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.