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Finding the Fourth Proportional to 306,573.08, 423,073.68 and 170,612.76

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Solution

The fourth proportional to 306,573.08, 423,073.68 and 170,612.76 is: 235,447.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,573.08 : 423,073.68 = 170,612.76 : x
  2. Step 2: Convert to fraction form
    306,573.08/423,073.68 = 170,612.76/x
  3. Step 3: Cross multiply
    306,573.08x = 423,073.68 × 170,612.76
  4. Step 4: Simplify right side
    306,573.08x = 72,181,768,228.16
  5. Step 5: Solve for x
    x = 72,181,768,228.16/306,573.08
  6. Step 6: Final answer
    x = 235,447.18

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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.