Home / 455,726.02-683,666.79-140,175.94

Finding the Fourth Proportional to 455,726.02, 683,666.79 and 140,175.94

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Solution

The fourth proportional to 455,726.02, 683,666.79 and 140,175.94 is: 210,287.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,726.02 : 683,666.79 = 140,175.94 : x
  2. Step 2: Convert to fraction form
    455,726.02/683,666.79 = 140,175.94/x
  3. Step 3: Cross multiply
    455,726.02x = 683,666.79 × 140,175.94
  4. Step 4: Simplify right side
    455,726.02x = 95,833,634,935.03
  5. Step 5: Solve for x
    x = 95,833,634,935.03/455,726.02
  6. Step 6: Final answer
    x = 210,287.83

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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.