Home / 230,721.40-346,017.30-72,998.20

Finding the Fourth Proportional to 230,721.40, 346,017.30 and 72,998.20

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Solution

The fourth proportional to 230,721.40, 346,017.30 and 72,998.20 is: 109,476.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,721.40 : 346,017.30 = 72,998.20 : x
  2. Step 2: Convert to fraction form
    230,721.40/346,017.30 = 72,998.20/x
  3. Step 3: Cross multiply
    230,721.40x = 346,017.30 × 72,998.20
  4. Step 4: Simplify right side
    230,721.40x = 25,258,640,068.86
  5. Step 5: Solve for x
    x = 25,258,640,068.86/230,721.40
  6. Step 6: Final answer
    x = 109,476.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.