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Finding the Fourth Proportional to 345,800.88, 477,323.28 and 202,606.56

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Solution

The fourth proportional to 345,800.88, 477,323.28 and 202,606.56 is: 279,666.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,800.88 : 477,323.28 = 202,606.56 : x
  2. Step 2: Convert to fraction form
    345,800.88/477,323.28 = 202,606.56/x
  3. Step 3: Cross multiply
    345,800.88x = 477,323.28 × 202,606.56
  4. Step 4: Simplify right side
    345,800.88x = 96,708,827,768.72
  5. Step 5: Solve for x
    x = 96,708,827,768.72/345,800.88
  6. Step 6: Final answer
    x = 279,666.23

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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.