Home / 282,795.53-390,103.16-179,239.86

Finding the Fourth Proportional to 282,795.53, 390,103.16 and 179,239.86

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Solution

The fourth proportional to 282,795.53, 390,103.16 and 179,239.86 is: 247,252.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,795.53 : 390,103.16 = 179,239.86 : x
  2. Step 2: Convert to fraction form
    282,795.53/390,103.16 = 179,239.86/x
  3. Step 3: Cross multiply
    282,795.53x = 390,103.16 × 179,239.86
  4. Step 4: Simplify right side
    282,795.53x = 69,922,034,887.76
  5. Step 5: Solve for x
    x = 69,922,034,887.76/282,795.53
  6. Step 6: Final answer
    x = 247,252.98

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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.