Home / 421,088.96-581,078.28-230,103.92

Finding the Fourth Proportional to 421,088.96, 581,078.28 and 230,103.92

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Solution

The fourth proportional to 421,088.96, 581,078.28 and 230,103.92 is: 317,530.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,088.96 : 581,078.28 = 230,103.92 : x
  2. Step 2: Convert to fraction form
    421,088.96/581,078.28 = 230,103.92/x
  3. Step 3: Cross multiply
    421,088.96x = 581,078.28 × 230,103.92
  4. Step 4: Simplify right side
    421,088.96x = 133,708,390,054.86
  5. Step 5: Solve for x
    x = 133,708,390,054.86/421,088.96
  6. Step 6: Final answer
    x = 317,530.03

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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.