Home / 455,965.05-683,982.88-152,360.26

Finding the Fourth Proportional to 455,965.05, 683,982.88 and 152,360.26

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Solution

The fourth proportional to 455,965.05, 683,982.88 and 152,360.26 is: 228,552.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,965.05 : 683,982.88 = 152,360.26 : x
  2. Step 2: Convert to fraction form
    455,965.05/683,982.88 = 152,360.26/x
  3. Step 3: Cross multiply
    455,965.05x = 683,982.88 × 152,360.26
  4. Step 4: Simplify right side
    455,965.05x = 104,211,806,012.43
  5. Step 5: Solve for x
    x = 104,211,806,012.43/455,965.05
  6. Step 6: Final answer
    x = 228,552.18

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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.