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Finding the Fourth Proportional to 446,401.28, 615,937.92 and 265,174.30

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Solution

The fourth proportional to 446,401.28, 615,937.92 and 265,174.30 is: 365,883.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,401.28 : 615,937.92 = 265,174.30 : x
  2. Step 2: Convert to fraction form
    446,401.28/615,937.92 = 265,174.30/x
  3. Step 3: Cross multiply
    446,401.28x = 615,937.92 × 265,174.30
  4. Step 4: Simplify right side
    446,401.28x = 163,330,906,779.46
  5. Step 5: Solve for x
    x = 163,330,906,779.46/446,401.28
  6. Step 6: Final answer
    x = 365,883.60

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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.