Home / 275,788.24-380,587.56-156,556.24

Finding the Fourth Proportional to 275,788.24, 380,587.56 and 156,556.24

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Solution

The fourth proportional to 275,788.24, 380,587.56 and 156,556.24 is: 216,047.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,788.24 : 380,587.56 = 156,556.24 : x
  2. Step 2: Convert to fraction form
    275,788.24/380,587.56 = 156,556.24/x
  3. Step 3: Cross multiply
    275,788.24x = 380,587.56 × 156,556.24
  4. Step 4: Simplify right side
    275,788.24x = 59,583,357,384.37
  5. Step 5: Solve for x
    x = 59,583,357,384.37/275,788.24
  6. Step 6: Final answer
    x = 216,047.49

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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.