Home / 272,908.72-376,641.60-152,069.68

Finding the Fourth Proportional to 272,908.72, 376,641.60 and 152,069.68

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Solution

The fourth proportional to 272,908.72, 376,641.60 and 152,069.68 is: 209,871.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,908.72 : 376,641.60 = 152,069.68 : x
  2. Step 2: Convert to fraction form
    272,908.72/376,641.60 = 152,069.68/x
  3. Step 3: Cross multiply
    272,908.72x = 376,641.60 × 152,069.68
  4. Step 4: Simplify right side
    272,908.72x = 57,275,767,586.69
  5. Step 5: Solve for x
    x = 57,275,767,586.69/272,908.72
  6. Step 6: Final answer
    x = 209,871.52

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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.