Home / 370,930.19-555,989.38-191,026.51

Finding the Fourth Proportional to 370,930.19, 555,989.38 and 191,026.51

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Solution

The fourth proportional to 370,930.19, 555,989.38 and 191,026.51 is: 286,330.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,930.19 : 555,989.38 = 191,026.51 : x
  2. Step 2: Convert to fraction form
    370,930.19/555,989.38 = 191,026.51/x
  3. Step 3: Cross multiply
    370,930.19x = 555,989.38 × 191,026.51
  4. Step 4: Simplify right side
    370,930.19x = 106,208,708,990.92
  5. Step 5: Solve for x
    x = 106,208,708,990.92/370,930.19
  6. Step 6: Final answer
    x = 286,330.73

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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.