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Finding the Fourth Proportional to 304,182.76, 456,206.28 and 87,994.12

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Solution

The fourth proportional to 304,182.76, 456,206.28 and 87,994.12 is: 131,971.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,182.76 : 456,206.28 = 87,994.12 : x
  2. Step 2: Convert to fraction form
    304,182.76/456,206.28 = 87,994.12/x
  3. Step 3: Cross multiply
    304,182.76x = 456,206.28 × 87,994.12
  4. Step 4: Simplify right side
    304,182.76x = 40,143,470,147.07
  5. Step 5: Solve for x
    x = 40,143,470,147.07/304,182.76
  6. Step 6: Final answer
    x = 131,971.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.