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Finding the Fourth Proportional to 304,544.91, 420,317 and 175,458.79

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Solution

The fourth proportional to 304,544.91, 420,317 and 175,458.79 is: 242,159.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,544.91 : 420,317 = 175,458.79 : x
  2. Step 2: Convert to fraction form
    304,544.91/420,317 = 175,458.79/x
  3. Step 3: Cross multiply
    304,544.91x = 420,317 × 175,458.79
  4. Step 4: Simplify right side
    304,544.91x = 73,748,312,236.43
  5. Step 5: Solve for x
    x = 73,748,312,236.43/304,544.91
  6. Step 6: Final answer
    x = 242,159.07

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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.