Home / 250,331.76-345,461.40-149,710.32

Finding the Fourth Proportional to 250,331.76, 345,461.40 and 149,710.32

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Solution

The fourth proportional to 250,331.76, 345,461.40 and 149,710.32 is: 206,602.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,331.76 : 345,461.40 = 149,710.32 : x
  2. Step 2: Convert to fraction form
    250,331.76/345,461.40 = 149,710.32/x
  3. Step 3: Cross multiply
    250,331.76x = 345,461.40 × 149,710.32
  4. Step 4: Simplify right side
    250,331.76x = 51,719,136,741.65
  5. Step 5: Solve for x
    x = 51,719,136,741.65/250,331.76
  6. Step 6: Final answer
    x = 206,602.38

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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.