Home / 255,463.40-352,545.72-142,288.04

Finding the Fourth Proportional to 255,463.40, 352,545.72 and 142,288.04

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Solution

The fourth proportional to 255,463.40, 352,545.72 and 142,288.04 is: 196,360.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,463.40 : 352,545.72 = 142,288.04 : x
  2. Step 2: Convert to fraction form
    255,463.40/352,545.72 = 142,288.04/x
  3. Step 3: Cross multiply
    255,463.40x = 352,545.72 × 142,288.04
  4. Step 4: Simplify right side
    255,463.40x = 50,163,039,509.19
  5. Step 5: Solve for x
    x = 50,163,039,509.19/255,463.40
  6. Step 6: Final answer
    x = 196,360.96

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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.