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Finding the Fourth Proportional to 304,637.55, 420,412.95 and 168,671.49

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Solution

The fourth proportional to 304,637.55, 420,412.95 and 168,671.49 is: 232,773.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,637.55 : 420,412.95 = 168,671.49 : x
  2. Step 2: Convert to fraction form
    304,637.55/420,412.95 = 168,671.49/x
  3. Step 3: Cross multiply
    304,637.55x = 420,412.95 × 168,671.49
  4. Step 4: Simplify right side
    304,637.55x = 70,911,678,691.80
  5. Step 5: Solve for x
    x = 70,911,678,691.80/304,637.55
  6. Step 6: Final answer
    x = 232,773.93

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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.