Home / 145,495.35-218,246.46-40,315.23

Finding the Fourth Proportional to 145,495.35, 218,246.46 and 40,315.23

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Solution

The fourth proportional to 145,495.35, 218,246.46 and 40,315.23 is: 60,473.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,495.35 : 218,246.46 = 40,315.23 : x
  2. Step 2: Convert to fraction form
    145,495.35/218,246.46 = 40,315.23/x
  3. Step 3: Cross multiply
    145,495.35x = 218,246.46 × 40,315.23
  4. Step 4: Simplify right side
    145,495.35x = 8,798,656,231.59
  5. Step 5: Solve for x
    x = 8,798,656,231.59/145,495.35
  6. Step 6: Final answer
    x = 60,473.80

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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.