Home / 345,822.38-477,628.54-232,448.30

Finding the Fourth Proportional to 345,822.38, 477,628.54 and 232,448.30

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Solution

The fourth proportional to 345,822.38, 477,628.54 and 232,448.30 is: 321,043.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,822.38 : 477,628.54 = 232,448.30 : x
  2. Step 2: Convert to fraction form
    345,822.38/477,628.54 = 232,448.30/x
  3. Step 3: Cross multiply
    345,822.38x = 477,628.54 × 232,448.30
  4. Step 4: Simplify right side
    345,822.38x = 111,023,942,154.48
  5. Step 5: Solve for x
    x = 111,023,942,154.48/345,822.38
  6. Step 6: Final answer
    x = 321,043.25

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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.