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Finding the Fourth Proportional to 353,051.04, 486,742.32 and 292,398.24

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Solution

The fourth proportional to 353,051.04, 486,742.32 and 292,398.24 is: 403,121.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,051.04 : 486,742.32 = 292,398.24 : x
  2. Step 2: Convert to fraction form
    353,051.04/486,742.32 = 292,398.24/x
  3. Step 3: Cross multiply
    353,051.04x = 486,742.32 × 292,398.24
  4. Step 4: Simplify right side
    353,051.04x = 142,322,597,701.52
  5. Step 5: Solve for x
    x = 142,322,597,701.52/353,051.04
  6. Step 6: Final answer
    x = 403,121.88

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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.