Home / 479,987.30-719,786.55-164,281.70

Finding the Fourth Proportional to 479,987.30, 719,786.55 and 164,281.70

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Solution

The fourth proportional to 479,987.30, 719,786.55 and 164,281.70 is: 246,356.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,987.30 : 719,786.55 = 164,281.70 : x
  2. Step 2: Convert to fraction form
    479,987.30/719,786.55 = 164,281.70/x
  3. Step 3: Cross multiply
    479,987.30x = 719,786.55 × 164,281.70
  4. Step 4: Simplify right side
    479,987.30x = 118,247,758,071.14
  5. Step 5: Solve for x
    x = 118,247,758,071.14/479,987.30
  6. Step 6: Final answer
    x = 246,356.01

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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.