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Finding the Fourth Proportional to 339,569.52, 468,478.80 and 210,449.04

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Solution

The fourth proportional to 339,569.52, 468,478.80 and 210,449.04 is: 290,340.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,569.52 : 468,478.80 = 210,449.04 : x
  2. Step 2: Convert to fraction form
    339,569.52/468,478.80 = 210,449.04/x
  3. Step 3: Cross multiply
    339,569.52x = 468,478.80 × 210,449.04
  4. Step 4: Simplify right side
    339,569.52x = 98,590,913,720.35
  5. Step 5: Solve for x
    x = 98,590,913,720.35/339,569.52
  6. Step 6: Final answer
    x = 290,340.88

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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.