Home / 209,680.72-314,401.16-97,303.14

Finding the Fourth Proportional to 209,680.72, 314,401.16 and 97,303.14

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Solution

The fourth proportional to 209,680.72, 314,401.16 and 97,303.14 is: 145,899.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,680.72 : 314,401.16 = 97,303.14 : x
  2. Step 2: Convert to fraction form
    209,680.72/314,401.16 = 97,303.14/x
  3. Step 3: Cross multiply
    209,680.72x = 314,401.16 × 97,303.14
  4. Step 4: Simplify right side
    209,680.72x = 30,592,220,330.90
  5. Step 5: Solve for x
    x = 30,592,220,330.90/209,680.72
  6. Step 6: Final answer
    x = 145,899.06

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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.