Home / 275,747.85-380,541.27-153,245.39

Finding the Fourth Proportional to 275,747.85, 380,541.27 and 153,245.39

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Solution

The fourth proportional to 275,747.85, 380,541.27 and 153,245.39 is: 211,483.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,747.85 : 380,541.27 = 153,245.39 : x
  2. Step 2: Convert to fraction form
    275,747.85/380,541.27 = 153,245.39/x
  3. Step 3: Cross multiply
    275,747.85x = 380,541.27 × 153,245.39
  4. Step 4: Simplify right side
    275,747.85x = 58,316,195,332.25
  5. Step 5: Solve for x
    x = 58,316,195,332.25/275,747.85
  6. Step 6: Final answer
    x = 211,483.77

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1.5x scale

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.