Home / 370,389.54-555,138.27-170,436.18

Finding the Fourth Proportional to 370,389.54, 555,138.27 and 170,436.18

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Solution

The fourth proportional to 370,389.54, 555,138.27 and 170,436.18 is: 255,449.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,389.54 : 555,138.27 = 170,436.18 : x
  2. Step 2: Convert to fraction form
    370,389.54/555,138.27 = 170,436.18/x
  3. Step 3: Cross multiply
    370,389.54x = 555,138.27 × 170,436.18
  4. Step 4: Simplify right side
    370,389.54x = 94,615,646,110.61
  5. Step 5: Solve for x
    x = 94,615,646,110.61/370,389.54
  6. Step 6: Final answer
    x = 255,449.02

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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.