Home / 312,298.20-430,971.03-169,058.21

Finding the Fourth Proportional to 312,298.20, 430,971.03 and 169,058.21

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Solution

The fourth proportional to 312,298.20, 430,971.03 and 169,058.21 is: 233,300.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,298.20 : 430,971.03 = 169,058.21 : x
  2. Step 2: Convert to fraction form
    312,298.20/430,971.03 = 169,058.21/x
  3. Step 3: Cross multiply
    312,298.20x = 430,971.03 × 169,058.21
  4. Step 4: Simplify right side
    312,298.20x = 72,859,188,738.80
  5. Step 5: Solve for x
    x = 72,859,188,738.80/312,298.20
  6. Step 6: Final answer
    x = 233,300.06

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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.