Home / 401,262.92-602,155.10-173,780.70

Finding the Fourth Proportional to 401,262.92, 602,155.10 and 173,780.70

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Solution

The fourth proportional to 401,262.92, 602,155.10 and 173,780.70 is: 260,783.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,262.92 : 602,155.10 = 173,780.70 : x
  2. Step 2: Convert to fraction form
    401,262.92/602,155.10 = 173,780.70/x
  3. Step 3: Cross multiply
    401,262.92x = 602,155.10 × 173,780.70
  4. Step 4: Simplify right side
    401,262.92x = 104,642,934,786.57
  5. Step 5: Solve for x
    x = 104,642,934,786.57/401,262.92
  6. Step 6: Final answer
    x = 260,783.96

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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.