Home / 268,538.90-370,640.21-170,358.80

Finding the Fourth Proportional to 268,538.90, 370,640.21 and 170,358.80

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Solution

The fourth proportional to 268,538.90, 370,640.21 and 170,358.80 is: 235,131.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,538.90 : 370,640.21 = 170,358.80 : x
  2. Step 2: Convert to fraction form
    268,538.90/370,640.21 = 170,358.80/x
  3. Step 3: Cross multiply
    268,538.90x = 370,640.21 × 170,358.80
  4. Step 4: Simplify right side
    268,538.90x = 63,141,818,702.35
  5. Step 5: Solve for x
    x = 63,141,818,702.35/268,538.90
  6. Step 6: Final answer
    x = 235,131.00

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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.