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Finding the Fourth Proportional to 243,854.64, 336,634.45 and 183,448.28

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Solution

The fourth proportional to 243,854.64, 336,634.45 and 183,448.28 is: 253,245.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,854.64 : 336,634.45 = 183,448.28 : x
  2. Step 2: Convert to fraction form
    243,854.64/336,634.45 = 183,448.28/x
  3. Step 3: Cross multiply
    243,854.64x = 336,634.45 × 183,448.28
  4. Step 4: Simplify right side
    243,854.64x = 61,755,011,224.21
  5. Step 5: Solve for x
    x = 61,755,011,224.21/243,854.64
  6. Step 6: Final answer
    x = 253,245.18

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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.