Home / 343,436.30-514,981.55-201,315.48

Finding the Fourth Proportional to 343,436.30, 514,981.55 and 201,315.48

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Solution

The fourth proportional to 343,436.30, 514,981.55 and 201,315.48 is: 301,871.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,436.30 : 514,981.55 = 201,315.48 : x
  2. Step 2: Convert to fraction form
    343,436.30/514,981.55 = 201,315.48/x
  3. Step 3: Cross multiply
    343,436.30x = 514,981.55 × 201,315.48
  4. Step 4: Simplify right side
    343,436.30x = 103,673,755,369.10
  5. Step 5: Solve for x
    x = 103,673,755,369.10/343,436.30
  6. Step 6: Final answer
    x = 301,871.86

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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.