Home / 292,058.20-438,087.30-198,746.20

Finding the Fourth Proportional to 292,058.20, 438,087.30 and 198,746.20

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Solution

The fourth proportional to 292,058.20, 438,087.30 and 198,746.20 is: 298,119.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,058.20 : 438,087.30 = 198,746.20 : x
  2. Step 2: Convert to fraction form
    292,058.20/438,087.30 = 198,746.20/x
  3. Step 3: Cross multiply
    292,058.20x = 438,087.30 × 198,746.20
  4. Step 4: Simplify right side
    292,058.20x = 87,068,186,143.26
  5. Step 5: Solve for x
    x = 87,068,186,143.26/292,058.20
  6. Step 6: Final answer
    x = 298,119.30

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1.5x scale

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.