Home / 383,981.07-529,742.31-240,688.83

Finding the Fourth Proportional to 383,981.07, 529,742.31 and 240,688.83

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Solution

The fourth proportional to 383,981.07, 529,742.31 and 240,688.83 is: 332,055.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,981.07 : 529,742.31 = 240,688.83 : x
  2. Step 2: Convert to fraction form
    383,981.07/529,742.31 = 240,688.83/x
  3. Step 3: Cross multiply
    383,981.07x = 529,742.31 × 240,688.83
  4. Step 4: Simplify right side
    383,981.07x = 127,503,056,795.40
  5. Step 5: Solve for x
    x = 127,503,056,795.40/383,981.07
  6. Step 6: Final answer
    x = 332,055.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.