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Finding the Fourth Proportional to 302,292.30, 453,438.45 and 255,636.30

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Solution

The fourth proportional to 302,292.30, 453,438.45 and 255,636.30 is: 383,454.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,292.30 : 453,438.45 = 255,636.30 : x
  2. Step 2: Convert to fraction form
    302,292.30/453,438.45 = 255,636.30/x
  3. Step 3: Cross multiply
    302,292.30x = 453,438.45 × 255,636.30
  4. Step 4: Simplify right side
    302,292.30x = 115,915,327,635.74
  5. Step 5: Solve for x
    x = 115,915,327,635.74/302,292.30
  6. Step 6: Final answer
    x = 383,454.45

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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.