Home / 642,363.15-963,467.78-169,085.82

Finding the Fourth Proportional to 642,363.15, 963,467.78 and 169,085.82

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Solution

The fourth proportional to 642,363.15, 963,467.78 and 169,085.82 is: 253,608.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,363.15 : 963,467.78 = 169,085.82 : x
  2. Step 2: Convert to fraction form
    642,363.15/963,467.78 = 169,085.82/x
  3. Step 3: Cross multiply
    642,363.15x = 963,467.78 × 169,085.82
  4. Step 4: Simplify right side
    642,363.15x = 162,908,738,779.45
  5. Step 5: Solve for x
    x = 162,908,738,779.45/642,363.15
  6. Step 6: Final answer
    x = 253,608.47

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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.