Home / 250,448.36-345,618.02-137,270.76

Finding the Fourth Proportional to 250,448.36, 345,618.02 and 137,270.76

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Solution

The fourth proportional to 250,448.36, 345,618.02 and 137,270.76 is: 189,433.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,448.36 : 345,618.02 = 137,270.76 : x
  2. Step 2: Convert to fraction form
    250,448.36/345,618.02 = 137,270.76/x
  3. Step 3: Cross multiply
    250,448.36x = 345,618.02 × 137,270.76
  4. Step 4: Simplify right side
    250,448.36x = 47,443,248,275.10
  5. Step 5: Solve for x
    x = 47,443,248,275.10/250,448.36
  6. Step 6: Final answer
    x = 189,433.26

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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.