Home / 421,724.72-581,993.96-230,733.76

Finding the Fourth Proportional to 421,724.72, 581,993.96 and 230,733.76

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Solution

The fourth proportional to 421,724.72, 581,993.96 and 230,733.76 is: 318,420.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,724.72 : 581,993.96 = 230,733.76 : x
  2. Step 2: Convert to fraction form
    421,724.72/581,993.96 = 230,733.76/x
  3. Step 3: Cross multiply
    421,724.72x = 581,993.96 × 230,733.76
  4. Step 4: Simplify right side
    421,724.72x = 134,285,654,688.09
  5. Step 5: Solve for x
    x = 134,285,654,688.09/421,724.72
  6. Step 6: Final answer
    x = 318,420.16

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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.