Home / 230,720.84-346,079.22-72,949.40

Finding the Fourth Proportional to 230,720.84, 346,079.22 and 72,949.40

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Solution

The fourth proportional to 230,720.84, 346,079.22 and 72,949.40 is: 109,423.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,720.84 : 346,079.22 = 72,949.40 : x
  2. Step 2: Convert to fraction form
    230,720.84/346,079.22 = 72,949.40/x
  3. Step 3: Cross multiply
    230,720.84x = 346,079.22 × 72,949.40
  4. Step 4: Simplify right side
    230,720.84x = 25,246,271,451.47
  5. Step 5: Solve for x
    x = 25,246,271,451.47/230,720.84
  6. Step 6: Final answer
    x = 109,423.45

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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.