Home / 230,267.13-345,479.15-140,489.58

Finding the Fourth Proportional to 230,267.13, 345,479.15 and 140,489.58

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Solution

The fourth proportional to 230,267.13, 345,479.15 and 140,489.58 is: 210,782.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,267.13 : 345,479.15 = 140,489.58 : x
  2. Step 2: Convert to fraction form
    230,267.13/345,479.15 = 140,489.58/x
  3. Step 3: Cross multiply
    230,267.13x = 345,479.15 × 140,489.58
  4. Step 4: Simplify right side
    230,267.13x = 48,536,219,979.81
  5. Step 5: Solve for x
    x = 48,536,219,979.81/230,267.13
  6. Step 6: Final answer
    x = 210,782.23

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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.