Home / 455,852.80-683,787.99-140,309.38

Finding the Fourth Proportional to 455,852.80, 683,787.99 and 140,309.38

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Solution

The fourth proportional to 455,852.80, 683,787.99 and 140,309.38 is: 210,466.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,852.80 : 683,787.99 = 140,309.38 : x
  2. Step 2: Convert to fraction form
    455,852.80/683,787.99 = 140,309.38/x
  3. Step 3: Cross multiply
    455,852.80x = 683,787.99 × 140,309.38
  4. Step 4: Simplify right side
    455,852.80x = 95,941,865,509.41
  5. Step 5: Solve for x
    x = 95,941,865,509.41/455,852.80
  6. Step 6: Final answer
    x = 210,466.77

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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.