Home / 248,467.20-373,089.60-143,491.20

Finding the Fourth Proportional to 248,467.20, 373,089.60 and 143,491.20

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Solution

The fourth proportional to 248,467.20, 373,089.60 and 143,491.20 is: 215,461.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,467.20 : 373,089.60 = 143,491.20 : x
  2. Step 2: Convert to fraction form
    248,467.20/373,089.60 = 143,491.20/x
  3. Step 3: Cross multiply
    248,467.20x = 373,089.60 × 143,491.20
  4. Step 4: Simplify right side
    248,467.20x = 53,535,074,411.52
  5. Step 5: Solve for x
    x = 53,535,074,411.52/248,467.20
  6. Step 6: Final answer
    x = 215,461.33

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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.