Home / 255,462.81-352,545.03-142,287.45

Finding the Fourth Proportional to 255,462.81, 352,545.03 and 142,287.45

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Solution

The fourth proportional to 255,462.81, 352,545.03 and 142,287.45 is: 196,360.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,462.81 : 352,545.03 = 142,287.45 : x
  2. Step 2: Convert to fraction form
    255,462.81/352,545.03 = 142,287.45/x
  3. Step 3: Cross multiply
    255,462.81x = 352,545.03 × 142,287.45
  4. Step 4: Simplify right side
    255,462.81x = 50,162,733,328.87
  5. Step 5: Solve for x
    x = 50,162,733,328.87/255,462.81
  6. Step 6: Final answer
    x = 196,360.22

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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.