Home / 250,459.04-345,639.48-137,288

Finding the Fourth Proportional to 250,459.04, 345,639.48 and 137,288

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Solution

The fourth proportional to 250,459.04, 345,639.48 and 137,288 is: 189,460.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,459.04 : 345,639.48 = 137,288 : x
  2. Step 2: Convert to fraction form
    250,459.04/345,639.48 = 137,288/x
  3. Step 3: Cross multiply
    250,459.04x = 345,639.48 × 137,288
  4. Step 4: Simplify right side
    250,459.04x = 47,452,152,930.24
  5. Step 5: Solve for x
    x = 47,452,152,930.24/250,459.04
  6. Step 6: Final answer
    x = 189,460.73

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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.