Home / 384,132.66-530,100.05-223,002.69

Finding the Fourth Proportional to 384,132.66, 530,100.05 and 223,002.69

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Solution

The fourth proportional to 384,132.66, 530,100.05 and 223,002.69 is: 307,741.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,132.66 : 530,100.05 = 223,002.69 : x
  2. Step 2: Convert to fraction form
    384,132.66/530,100.05 = 223,002.69/x
  3. Step 3: Cross multiply
    384,132.66x = 530,100.05 × 223,002.69
  4. Step 4: Simplify right side
    384,132.66x = 118,213,736,004.12
  5. Step 5: Solve for x
    x = 118,213,736,004.12/384,132.66
  6. Step 6: Final answer
    x = 307,741.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.