Home / 448,401.22-671,132.89-245,688.19

Finding the Fourth Proportional to 448,401.22, 671,132.89 and 245,688.19

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Solution

The fourth proportional to 448,401.22, 671,132.89 and 245,688.19 is: 367,727.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,401.22 : 671,132.89 = 245,688.19 : x
  2. Step 2: Convert to fraction form
    448,401.22/671,132.89 = 245,688.19/x
  3. Step 3: Cross multiply
    448,401.22x = 671,132.89 × 245,688.19
  4. Step 4: Simplify right side
    448,401.22x = 164,889,423,622.85
  5. Step 5: Solve for x
    x = 164,889,423,622.85/448,401.22
  6. Step 6: Final answer
    x = 367,727.42

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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.