Home / 447,135.04-670,505.73-236,723.77

Finding the Fourth Proportional to 447,135.04, 670,505.73 and 236,723.77

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Solution

The fourth proportional to 447,135.04, 670,505.73 and 236,723.77 is: 354,981.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,135.04 : 670,505.73 = 236,723.77 : x
  2. Step 2: Convert to fraction form
    447,135.04/670,505.73 = 236,723.77/x
  3. Step 3: Cross multiply
    447,135.04x = 670,505.73 × 236,723.77
  4. Step 4: Simplify right side
    447,135.04x = 158,724,644,212.20
  5. Step 5: Solve for x
    x = 158,724,644,212.20/447,135.04
  6. Step 6: Final answer
    x = 354,981.45

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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.