Home / 479,533.04-719,293.29-137,985.38

Finding the Fourth Proportional to 479,533.04, 719,293.29 and 137,985.38

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Solution

The fourth proportional to 479,533.04, 719,293.29 and 137,985.38 is: 206,976.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,533.04 : 719,293.29 = 137,985.38 : x
  2. Step 2: Convert to fraction form
    479,533.04/719,293.29 = 137,985.38/x
  3. Step 3: Cross multiply
    479,533.04x = 719,293.29 × 137,985.38
  4. Step 4: Simplify right side
    479,533.04x = 99,251,957,311.71
  5. Step 5: Solve for x
    x = 99,251,957,311.71/479,533.04
  6. Step 6: Final answer
    x = 206,976.27

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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.