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Finding the Fourth Proportional to 304,539.30, 455,824.80 and 237,617.10

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Solution

The fourth proportional to 304,539.30, 455,824.80 and 237,617.10 is: 355,657.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,539.30 : 455,824.80 = 237,617.10 : x
  2. Step 2: Convert to fraction form
    304,539.30/455,824.80 = 237,617.10/x
  3. Step 3: Cross multiply
    304,539.30x = 455,824.80 × 237,617.10
  4. Step 4: Simplify right side
    304,539.30x = 108,311,767,084.08
  5. Step 5: Solve for x
    x = 108,311,767,084.08/304,539.30
  6. Step 6: Final answer
    x = 355,657.77

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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.