Home / 430,559.04-646,002.56-193,847.28

Finding the Fourth Proportional to 430,559.04, 646,002.56 and 193,847.28

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Solution

The fourth proportional to 430,559.04, 646,002.56 and 193,847.28 is: 290,844.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,559.04 : 646,002.56 = 193,847.28 : x
  2. Step 2: Convert to fraction form
    430,559.04/646,002.56 = 193,847.28/x
  3. Step 3: Cross multiply
    430,559.04x = 646,002.56 × 193,847.28
  4. Step 4: Simplify right side
    430,559.04x = 125,225,839,129.04
  5. Step 5: Solve for x
    x = 125,225,839,129.04/430,559.04
  6. Step 6: Final answer
    x = 290,844.76

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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.