Home / 230,077.41-317,458.02-145,145.25

Finding the Fourth Proportional to 230,077.41, 317,458.02 and 145,145.25

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Solution

The fourth proportional to 230,077.41, 317,458.02 and 145,145.25 is: 200,269.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,077.41 : 317,458.02 = 145,145.25 : x
  2. Step 2: Convert to fraction form
    230,077.41/317,458.02 = 145,145.25/x
  3. Step 3: Cross multiply
    230,077.41x = 317,458.02 × 145,145.25
  4. Step 4: Simplify right side
    230,077.41x = 46,077,523,677.41
  5. Step 5: Solve for x
    x = 46,077,523,677.41/230,077.41
  6. Step 6: Final answer
    x = 200,269.66

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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.