Home / 283,032.80-390,641.09-162,255.18

Finding the Fourth Proportional to 283,032.80, 390,641.09 and 162,255.18

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Solution

The fourth proportional to 283,032.80, 390,641.09 and 162,255.18 is: 223,944.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,032.80 : 390,641.09 = 162,255.18 : x
  2. Step 2: Convert to fraction form
    283,032.80/390,641.09 = 162,255.18/x
  3. Step 3: Cross multiply
    283,032.80x = 390,641.09 × 162,255.18
  4. Step 4: Simplify right side
    283,032.80x = 63,383,539,562.07
  5. Step 5: Solve for x
    x = 63,383,539,562.07/283,032.80
  6. Step 6: Final answer
    x = 223,944.15

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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.