Home / 316,746.45-474,015.20-259,154.76

Finding the Fourth Proportional to 316,746.45, 474,015.20 and 259,154.76

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Solution

The fourth proportional to 316,746.45, 474,015.20 and 259,154.76 is: 387,828.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,746.45 : 474,015.20 = 259,154.76 : x
  2. Step 2: Convert to fraction form
    316,746.45/474,015.20 = 259,154.76/x
  3. Step 3: Cross multiply
    316,746.45x = 474,015.20 × 259,154.76
  4. Step 4: Simplify right side
    316,746.45x = 122,843,294,096.58
  5. Step 5: Solve for x
    x = 122,843,294,096.58/316,746.45
  6. Step 6: Final answer
    x = 387,828.48

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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.