Home / 400,401.75-552,554.43-219,113.67

Finding the Fourth Proportional to 400,401.75, 552,554.43 and 219,113.67

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Solution

The fourth proportional to 400,401.75, 552,554.43 and 219,113.67 is: 302,376.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,401.75 : 552,554.43 = 219,113.67 : x
  2. Step 2: Convert to fraction form
    400,401.75/552,554.43 = 219,113.67/x
  3. Step 3: Cross multiply
    400,401.75x = 552,554.43 × 219,113.67
  4. Step 4: Simplify right side
    400,401.75x = 121,072,229,032.06
  5. Step 5: Solve for x
    x = 121,072,229,032.06/400,401.75
  6. Step 6: Final answer
    x = 302,376.87

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1.5x scale

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.