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Finding the Fourth Proportional to 446,108.76, 615,613.50 and 255,117.24

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Solution

The fourth proportional to 446,108.76, 615,613.50 and 255,117.24 is: 352,052.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,108.76 : 615,613.50 = 255,117.24 : x
  2. Step 2: Convert to fraction form
    446,108.76/615,613.50 = 255,117.24/x
  3. Step 3: Cross multiply
    446,108.76x = 615,613.50 × 255,117.24
  4. Step 4: Simplify right side
    446,108.76x = 157,053,617,026.74
  5. Step 5: Solve for x
    x = 157,053,617,026.74/446,108.76
  6. Step 6: Final answer
    x = 352,052.30

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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.