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Finding the Fourth Proportional to 344,343.45, 475,250.35 and 286,891.66

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Solution

The fourth proportional to 344,343.45, 475,250.35 and 286,891.66 is: 395,957.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,343.45 : 475,250.35 = 286,891.66 : x
  2. Step 2: Convert to fraction form
    344,343.45/475,250.35 = 286,891.66/x
  3. Step 3: Cross multiply
    344,343.45x = 475,250.35 × 286,891.66
  4. Step 4: Simplify right side
    344,343.45x = 136,345,360,168.06
  5. Step 5: Solve for x
    x = 136,345,360,168.06/344,343.45
  6. Step 6: Final answer
    x = 395,957.47

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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.