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Finding the Fourth Proportional to 304,618.56, 420,373.56 and 170,482.56

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Solution

The fourth proportional to 304,618.56, 420,373.56 and 170,482.56 is: 235,265.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,618.56 : 420,373.56 = 170,482.56 : x
  2. Step 2: Convert to fraction form
    304,618.56/420,373.56 = 170,482.56/x
  3. Step 3: Cross multiply
    304,618.56x = 420,373.56 × 170,482.56
  4. Step 4: Simplify right side
    304,618.56x = 71,666,360,665.11
  5. Step 5: Solve for x
    x = 71,666,360,665.11/304,618.56
  6. Step 6: Final answer
    x = 235,265.90

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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.