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Finding the Fourth Proportional to 304,881.80, 456,447.90 and 186,783.80

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Solution

The fourth proportional to 304,881.80, 456,447.90 and 186,783.80 is: 279,639.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,881.80 : 456,447.90 = 186,783.80 : x
  2. Step 2: Convert to fraction form
    304,881.80/456,447.90 = 186,783.80/x
  3. Step 3: Cross multiply
    304,881.80x = 456,447.90 × 186,783.80
  4. Step 4: Simplify right side
    304,881.80x = 85,257,073,264.02
  5. Step 5: Solve for x
    x = 85,257,073,264.02/304,881.80
  6. Step 6: Final answer
    x = 279,639.76

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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.