Home / 272,718.90-409,047.03-104,235.48

Finding the Fourth Proportional to 272,718.90, 409,047.03 and 104,235.48

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Solution

The fourth proportional to 272,718.90, 409,047.03 and 104,235.48 is: 156,341.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,718.90 : 409,047.03 = 104,235.48 : x
  2. Step 2: Convert to fraction form
    272,718.90/409,047.03 = 104,235.48/x
  3. Step 3: Cross multiply
    272,718.90x = 409,047.03 × 104,235.48
  4. Step 4: Simplify right side
    272,718.90x = 42,637,213,514.62
  5. Step 5: Solve for x
    x = 42,637,213,514.62/272,718.90
  6. Step 6: Final answer
    x = 156,341.25

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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.