Home / 421,283.25-581,370.93-230,298.03

Finding the Fourth Proportional to 421,283.25, 581,370.93 and 230,298.03

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Solution

The fourth proportional to 421,283.25, 581,370.93 and 230,298.03 is: 317,811.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,283.25 : 581,370.93 = 230,298.03 : x
  2. Step 2: Convert to fraction form
    421,283.25/581,370.93 = 230,298.03/x
  3. Step 3: Cross multiply
    421,283.25x = 581,370.93 × 230,298.03
  4. Step 4: Simplify right side
    421,283.25x = 133,888,579,878.27
  5. Step 5: Solve for x
    x = 133,888,579,878.27/421,283.25
  6. Step 6: Final answer
    x = 317,811.31

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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.