Home / 253,445.90-349,718.73-140,268.38

Finding the Fourth Proportional to 253,445.90, 349,718.73 and 140,268.38

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Solution

The fourth proportional to 253,445.90, 349,718.73 and 140,268.38 is: 193,550.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,445.90 : 349,718.73 = 140,268.38 : x
  2. Step 2: Convert to fraction form
    253,445.90/349,718.73 = 140,268.38/x
  3. Step 3: Cross multiply
    253,445.90x = 349,718.73 × 140,268.38
  4. Step 4: Simplify right side
    253,445.90x = 49,054,479,712.76
  5. Step 5: Solve for x
    x = 49,054,479,712.76/253,445.90
  6. Step 6: Final answer
    x = 193,550.10

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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.