Home / 449,401.16-620,178.27-245,457.95

Finding the Fourth Proportional to 449,401.16, 620,178.27 and 245,457.95

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Solution

The fourth proportional to 449,401.16, 620,178.27 and 245,457.95 is: 338,734.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,401.16 : 620,178.27 = 245,457.95 : x
  2. Step 2: Convert to fraction form
    449,401.16/620,178.27 = 245,457.95/x
  3. Step 3: Cross multiply
    449,401.16x = 620,178.27 × 245,457.95
  4. Step 4: Simplify right side
    449,401.16x = 152,227,686,788.75
  5. Step 5: Solve for x
    x = 152,227,686,788.75/449,401.16
  6. Step 6: Final answer
    x = 338,734.52

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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.