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Finding the Fourth Proportional to 308,117.10, 462,175.65 and 223,480.20

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Solution

The fourth proportional to 308,117.10, 462,175.65 and 223,480.20 is: 335,220.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,117.10 : 462,175.65 = 223,480.20 : x
  2. Step 2: Convert to fraction form
    308,117.10/462,175.65 = 223,480.20/x
  3. Step 3: Cross multiply
    308,117.10x = 462,175.65 × 223,480.20
  4. Step 4: Simplify right side
    308,117.10x = 103,287,106,697.13
  5. Step 5: Solve for x
    x = 103,287,106,697.13/308,117.10
  6. Step 6: Final answer
    x = 335,220.30

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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.