Home / 345,471-476,869.30-202,277.08

Finding the Fourth Proportional to 345,471, 476,869.30 and 202,277.08

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Solution

The fourth proportional to 345,471, 476,869.30 and 202,277.08 is: 279,212.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,471 : 476,869.30 = 202,277.08 : x
  2. Step 2: Convert to fraction form
    345,471/476,869.30 = 202,277.08/x
  3. Step 3: Cross multiply
    345,471x = 476,869.30 × 202,277.08
  4. Step 4: Simplify right side
    345,471x = 96,459,729,545.64
  5. Step 5: Solve for x
    x = 96,459,729,545.64/345,471
  6. Step 6: Final answer
    x = 279,212.23

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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.