Home / 480,079.77-719,961.35-160,143.47

Finding the Fourth Proportional to 480,079.77, 719,961.35 and 160,143.47

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Solution

The fourth proportional to 480,079.77, 719,961.35 and 160,143.47 is: 240,162.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,079.77 : 719,961.35 = 160,143.47 : x
  2. Step 2: Convert to fraction form
    480,079.77/719,961.35 = 160,143.47/x
  3. Step 3: Cross multiply
    480,079.77x = 719,961.35 × 160,143.47
  4. Step 4: Simplify right side
    480,079.77x = 115,297,107,154.22
  5. Step 5: Solve for x
    x = 115,297,107,154.22/480,079.77
  6. Step 6: Final answer
    x = 240,162.40

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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.