Home / 304,821.16-457,223.10-105,137.80

Finding the Fourth Proportional to 304,821.16, 457,223.10 and 105,137.80

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Solution

The fourth proportional to 304,821.16, 457,223.10 and 105,137.80 is: 157,703.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,821.16 : 457,223.10 = 105,137.80 : x
  2. Step 2: Convert to fraction form
    304,821.16/457,223.10 = 105,137.80/x
  3. Step 3: Cross multiply
    304,821.16x = 457,223.10 × 105,137.80
  4. Step 4: Simplify right side
    304,821.16x = 48,071,430,843.18
  5. Step 5: Solve for x
    x = 48,071,430,843.18/304,821.16
  6. Step 6: Final answer
    x = 157,703.72

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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.