Home / 245,444.22-338,706.30-138,011.50

Finding the Fourth Proportional to 245,444.22, 338,706.30 and 138,011.50

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Solution

The fourth proportional to 245,444.22, 338,706.30 and 138,011.50 is: 190,452.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,444.22 : 338,706.30 = 138,011.50 : x
  2. Step 2: Convert to fraction form
    245,444.22/338,706.30 = 138,011.50/x
  3. Step 3: Cross multiply
    245,444.22x = 338,706.30 × 138,011.50
  4. Step 4: Simplify right side
    245,444.22x = 46,745,364,522.45
  5. Step 5: Solve for x
    x = 46,745,364,522.45/245,444.22
  6. Step 6: Final answer
    x = 190,452.09

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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.