Home / 283,039.64-424,405.72-140,572.36

Finding the Fourth Proportional to 283,039.64, 424,405.72 and 140,572.36

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Solution

The fourth proportional to 283,039.64, 424,405.72 and 140,572.36 is: 210,782.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,039.64 : 424,405.72 = 140,572.36 : x
  2. Step 2: Convert to fraction form
    283,039.64/424,405.72 = 140,572.36/x
  3. Step 3: Cross multiply
    283,039.64x = 424,405.72 × 140,572.36
  4. Step 4: Simplify right side
    283,039.64x = 59,659,713,657.90
  5. Step 5: Solve for x
    x = 59,659,713,657.90/283,039.64
  6. Step 6: Final answer
    x = 210,782.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.