Home / 421,350.12-581,463.06-230,363.46

Finding the Fourth Proportional to 421,350.12, 581,463.06 and 230,363.46

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Solution

The fourth proportional to 421,350.12, 581,463.06 and 230,363.46 is: 317,901.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,350.12 : 581,463.06 = 230,363.46 : x
  2. Step 2: Convert to fraction form
    421,350.12/581,463.06 = 230,363.46/x
  3. Step 3: Cross multiply
    421,350.12x = 581,463.06 × 230,363.46
  4. Step 4: Simplify right side
    421,350.12x = 133,947,842,363.79
  5. Step 5: Solve for x
    x = 133,947,842,363.79/421,350.12
  6. Step 6: Final answer
    x = 317,901.52

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1.5x scale

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.