Home / 272,719.90-409,048.53-104,236.48

Finding the Fourth Proportional to 272,719.90, 409,048.53 and 104,236.48

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Solution

The fourth proportional to 272,719.90, 409,048.53 and 104,236.48 is: 156,342.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,719.90 : 409,048.53 = 104,236.48 : x
  2. Step 2: Convert to fraction form
    272,719.90/409,048.53 = 104,236.48/x
  3. Step 3: Cross multiply
    272,719.90x = 409,048.53 × 104,236.48
  4. Step 4: Simplify right side
    272,719.90x = 42,637,778,916.37
  5. Step 5: Solve for x
    x = 42,637,778,916.37/272,719.90
  6. Step 6: Final answer
    x = 156,342.75

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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.