Home / 230,931.80-346,397.70-220,106.15

Finding the Fourth Proportional to 230,931.80, 346,397.70 and 220,106.15

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Solution

The fourth proportional to 230,931.80, 346,397.70 and 220,106.15 is: 330,159.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,931.80 : 346,397.70 = 220,106.15 : x
  2. Step 2: Convert to fraction form
    230,931.80/346,397.70 = 220,106.15/x
  3. Step 3: Cross multiply
    230,931.80x = 346,397.70 × 220,106.15
  4. Step 4: Simplify right side
    230,931.80x = 76,244,264,115.86
  5. Step 5: Solve for x
    x = 76,244,264,115.86/230,931.80
  6. Step 6: Final answer
    x = 330,159.23

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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.