Home / 370,209.09-555,313.65-89,726.34

Finding the Fourth Proportional to 370,209.09, 555,313.65 and 89,726.34

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Solution

The fourth proportional to 370,209.09, 555,313.65 and 89,726.34 is: 134,589.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,209.09 : 555,313.65 = 89,726.34 : x
  2. Step 2: Convert to fraction form
    370,209.09/555,313.65 = 89,726.34/x
  3. Step 3: Cross multiply
    370,209.09x = 555,313.65 × 89,726.34
  4. Step 4: Simplify right side
    370,209.09x = 49,826,261,366.54
  5. Step 5: Solve for x
    x = 49,826,261,366.54/370,209.09
  6. Step 6: Final answer
    x = 134,589.51

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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.