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Finding the Fourth Proportional to 466,196.16, 699,070.56 and 213,398.40

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Solution

The fourth proportional to 466,196.16, 699,070.56 and 213,398.40 is: 319,995.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,196.16 : 699,070.56 = 213,398.40 : x
  2. Step 2: Convert to fraction form
    466,196.16/699,070.56 = 213,398.40/x
  3. Step 3: Cross multiply
    466,196.16x = 699,070.56 × 213,398.40
  4. Step 4: Simplify right side
    466,196.16x = 149,180,538,991.10
  5. Step 5: Solve for x
    x = 149,180,538,991.10/466,196.16
  6. Step 6: Final answer
    x = 319,995.21

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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.