Home / 455,824.41-683,737.11-118,864.77

Finding the Fourth Proportional to 455,824.41, 683,737.11 and 118,864.77

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Solution

The fourth proportional to 455,824.41, 683,737.11 and 118,864.77 is: 178,297.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,824.41 : 683,737.11 = 118,864.77 : x
  2. Step 2: Convert to fraction form
    455,824.41/683,737.11 = 118,864.77/x
  3. Step 3: Cross multiply
    455,824.41x = 683,737.11 × 118,864.77
  4. Step 4: Simplify right side
    455,824.41x = 81,272,254,320.61
  5. Step 5: Solve for x
    x = 81,272,254,320.61/455,824.41
  6. Step 6: Final answer
    x = 178,297.28

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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.