Home / 351,949.24-525,990.65-257,377.96

Finding the Fourth Proportional to 351,949.24, 525,990.65 and 257,377.96

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Solution

The fourth proportional to 351,949.24, 525,990.65 and 257,377.96 is: 384,653.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,949.24 : 525,990.65 = 257,377.96 : x
  2. Step 2: Convert to fraction form
    351,949.24/525,990.65 = 257,377.96/x
  3. Step 3: Cross multiply
    351,949.24x = 525,990.65 × 257,377.96
  4. Step 4: Simplify right side
    351,949.24x = 135,378,400,476.07
  5. Step 5: Solve for x
    x = 135,378,400,476.07/351,949.24
  6. Step 6: Final answer
    x = 384,653.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.