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Finding the Fourth Proportional to 304,567.68, 420,298.40 and 168,598.78

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Solution

The fourth proportional to 304,567.68, 420,298.40 and 168,598.78 is: 232,663.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,567.68 : 420,298.40 = 168,598.78 : x
  2. Step 2: Convert to fraction form
    304,567.68/420,298.40 = 168,598.78/x
  3. Step 3: Cross multiply
    304,567.68x = 420,298.40 × 168,598.78
  4. Step 4: Simplify right side
    304,567.68x = 70,861,797,475.95
  5. Step 5: Solve for x
    x = 70,861,797,475.95/304,567.68
  6. Step 6: Final answer
    x = 232,663.55

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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.