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Finding the Fourth Proportional to 255,958.20, 383,937.30 and 245,590.20

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Solution

The fourth proportional to 255,958.20, 383,937.30 and 245,590.20 is: 368,385.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,958.20 : 383,937.30 = 245,590.20 : x
  2. Step 2: Convert to fraction form
    255,958.20/383,937.30 = 245,590.20/x
  3. Step 3: Cross multiply
    255,958.20x = 383,937.30 × 245,590.20
  4. Step 4: Simplify right side
    255,958.20x = 94,291,238,294.46
  5. Step 5: Solve for x
    x = 94,291,238,294.46/255,958.20
  6. Step 6: Final answer
    x = 368,385.30

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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.