Home / 255,315.92-352,333-140,592.18

Finding the Fourth Proportional to 255,315.92, 352,333 and 140,592.18

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Solution

The fourth proportional to 255,315.92, 352,333 and 140,592.18 is: 194,015.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,315.92 : 352,333 = 140,592.18 : x
  2. Step 2: Convert to fraction form
    255,315.92/352,333 = 140,592.18/x
  3. Step 3: Cross multiply
    255,315.92x = 352,333 × 140,592.18
  4. Step 4: Simplify right side
    255,315.92x = 49,535,264,555.94
  5. Step 5: Solve for x
    x = 49,535,264,555.94/255,315.92
  6. Step 6: Final answer
    x = 194,015.57

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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.