Home / 245,058.20-367,598.10-138,440.60

Finding the Fourth Proportional to 245,058.20, 367,598.10 and 138,440.60

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Solution

The fourth proportional to 245,058.20, 367,598.10 and 138,440.60 is: 207,667.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,058.20 : 367,598.10 = 138,440.60 : x
  2. Step 2: Convert to fraction form
    245,058.20/367,598.10 = 138,440.60/x
  3. Step 3: Cross multiply
    245,058.20x = 367,598.10 × 138,440.60
  4. Step 4: Simplify right side
    245,058.20x = 50,890,501,522.86
  5. Step 5: Solve for x
    x = 50,890,501,522.86/245,058.20
  6. Step 6: Final answer
    x = 207,667.00

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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.