Home / 421,043.33-581,043.87-230,056.71

Finding the Fourth Proportional to 421,043.33, 581,043.87 and 230,056.71

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Solution

The fourth proportional to 421,043.33, 581,043.87 and 230,056.71 is: 317,480.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,043.33 : 581,043.87 = 230,056.71 : x
  2. Step 2: Convert to fraction form
    421,043.33/581,043.87 = 230,056.71/x
  3. Step 3: Cross multiply
    421,043.33x = 581,043.87 × 230,056.71
  4. Step 4: Simplify right side
    421,043.33x = 133,673,041,097.87
  5. Step 5: Solve for x
    x = 133,673,041,097.87/421,043.33
  6. Step 6: Final answer
    x = 317,480.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.