Home / 480,209.75-720,216.19-176,499.24

Finding the Fourth Proportional to 480,209.75, 720,216.19 and 176,499.24

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Solution

The fourth proportional to 480,209.75, 720,216.19 and 176,499.24 is: 264,712.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,209.75 : 720,216.19 = 176,499.24 : x
  2. Step 2: Convert to fraction form
    480,209.75/720,216.19 = 176,499.24/x
  3. Step 3: Cross multiply
    480,209.75x = 720,216.19 × 176,499.24
  4. Step 4: Simplify right side
    480,209.75x = 127,117,607,690.51
  5. Step 5: Solve for x
    x = 127,117,607,690.51/480,209.75
  6. Step 6: Final answer
    x = 264,712.68

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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.