Home / 374,885.70-517,341.12-202,803.61

Finding the Fourth Proportional to 374,885.70, 517,341.12 and 202,803.61

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Solution

The fourth proportional to 374,885.70, 517,341.12 and 202,803.61 is: 279,868.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,885.70 : 517,341.12 = 202,803.61 : x
  2. Step 2: Convert to fraction form
    374,885.70/517,341.12 = 202,803.61/x
  3. Step 3: Cross multiply
    374,885.70x = 517,341.12 × 202,803.61
  4. Step 4: Simplify right side
    374,885.70x = 104,918,647,384.12
  5. Step 5: Solve for x
    x = 104,918,647,384.12/374,885.70
  6. Step 6: Final answer
    x = 279,868.37

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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.