Home / 240,629.90-332,077.10-138,647.46

Finding the Fourth Proportional to 240,629.90, 332,077.10 and 138,647.46

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Solution

The fourth proportional to 240,629.90, 332,077.10 and 138,647.46 is: 191,338.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,629.90 : 332,077.10 = 138,647.46 : x
  2. Step 2: Convert to fraction form
    240,629.90/332,077.10 = 138,647.46/x
  3. Step 3: Cross multiply
    240,629.90x = 332,077.10 × 138,647.46
  4. Step 4: Simplify right side
    240,629.90x = 46,041,646,439.17
  5. Step 5: Solve for x
    x = 46,041,646,439.17/240,629.90
  6. Step 6: Final answer
    x = 191,338.01

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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.