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Finding the Fourth Proportional to 468,473.09, 646,494.33 and 253,612.65

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Solution

The fourth proportional to 468,473.09, 646,494.33 and 253,612.65 is: 349,986.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,473.09 : 646,494.33 = 253,612.65 : x
  2. Step 2: Convert to fraction form
    468,473.09/646,494.33 = 253,612.65/x
  3. Step 3: Cross multiply
    468,473.09x = 646,494.33 × 253,612.65
  4. Step 4: Simplify right side
    468,473.09x = 163,959,138,973.21
  5. Step 5: Solve for x
    x = 163,959,138,973.21/468,473.09
  6. Step 6: Final answer
    x = 349,986.25

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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.