Home / 345,947.32-477,396.47-202,802.70

Finding the Fourth Proportional to 345,947.32, 477,396.47 and 202,802.70

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Solution

The fourth proportional to 345,947.32, 477,396.47 and 202,802.70 is: 279,861.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,947.32 : 477,396.47 = 202,802.70 : x
  2. Step 2: Convert to fraction form
    345,947.32/477,396.47 = 202,802.70/x
  3. Step 3: Cross multiply
    345,947.32x = 477,396.47 × 202,802.70
  4. Step 4: Simplify right side
    345,947.32x = 96,817,293,086.47
  5. Step 5: Solve for x
    x = 96,817,293,086.47/345,947.32
  6. Step 6: Final answer
    x = 279,861.38

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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.