Home / 304,868.10-457,302.15-272,208.90

Finding the Fourth Proportional to 304,868.10, 457,302.15 and 272,208.90

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Solution

The fourth proportional to 304,868.10, 457,302.15 and 272,208.90 is: 408,313.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,868.10 : 457,302.15 = 272,208.90 : x
  2. Step 2: Convert to fraction form
    304,868.10/457,302.15 = 272,208.90/x
  3. Step 3: Cross multiply
    304,868.10x = 457,302.15 × 272,208.90
  4. Step 4: Simplify right side
    304,868.10x = 124,481,715,219.14
  5. Step 5: Solve for x
    x = 124,481,715,219.14/304,868.10
  6. Step 6: Final answer
    x = 408,313.35

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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.