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Finding the Fourth Proportional to 304,768.80, 456,278.40 and 186,670.80

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Solution

The fourth proportional to 304,768.80, 456,278.40 and 186,670.80 is: 279,470.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,768.80 : 456,278.40 = 186,670.80 : x
  2. Step 2: Convert to fraction form
    304,768.80/456,278.40 = 186,670.80/x
  3. Step 3: Cross multiply
    304,768.80x = 456,278.40 × 186,670.80
  4. Step 4: Simplify right side
    304,768.80x = 85,173,853,950.72
  5. Step 5: Solve for x
    x = 85,173,853,950.72/304,768.80
  6. Step 6: Final answer
    x = 279,470.39

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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.