Home / 145,499.36-218,252.46-40,319.24

Finding the Fourth Proportional to 145,499.36, 218,252.46 and 40,319.24

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Solution

The fourth proportional to 145,499.36, 218,252.46 and 40,319.24 is: 60,479.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,499.36 : 218,252.46 = 40,319.24 : x
  2. Step 2: Convert to fraction form
    145,499.36/218,252.46 = 40,319.24/x
  3. Step 3: Cross multiply
    145,499.36x = 218,252.46 × 40,319.24
  4. Step 4: Simplify right side
    145,499.36x = 8,799,773,315.33
  5. Step 5: Solve for x
    x = 8,799,773,315.33/145,499.36
  6. Step 6: Final answer
    x = 60,479.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.