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Finding the Fourth Proportional to 304,693.68, 420,437.88 and 177,348.72

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Solution

The fourth proportional to 304,693.68, 420,437.88 and 177,348.72 is: 244,718.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,693.68 : 420,437.88 = 177,348.72 : x
  2. Step 2: Convert to fraction form
    304,693.68/420,437.88 = 177,348.72/x
  3. Step 3: Cross multiply
    304,693.68x = 420,437.88 × 177,348.72
  4. Step 4: Simplify right side
    304,693.68x = 74,564,119,857.51
  5. Step 5: Solve for x
    x = 74,564,119,857.51/304,693.68
  6. Step 6: Final answer
    x = 244,718.30

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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.