Home / 272,529.06-408,810.87-85,547.94

Finding the Fourth Proportional to 272,529.06, 408,810.87 and 85,547.94

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Solution

The fourth proportional to 272,529.06, 408,810.87 and 85,547.94 is: 128,327.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,529.06 : 408,810.87 = 85,547.94 : x
  2. Step 2: Convert to fraction form
    272,529.06/408,810.87 = 85,547.94/x
  3. Step 3: Cross multiply
    272,529.06x = 408,810.87 × 85,547.94
  4. Step 4: Simplify right side
    272,529.06x = 34,972,927,778.11
  5. Step 5: Solve for x
    x = 34,972,927,778.11/272,529.06
  6. Step 6: Final answer
    x = 128,327.33

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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.