Home / 289,270.26-434,019.48-89,606.18

Finding the Fourth Proportional to 289,270.26, 434,019.48 and 89,606.18

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Solution

The fourth proportional to 289,270.26, 434,019.48 and 89,606.18 is: 134,444.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,270.26 : 434,019.48 = 89,606.18 : x
  2. Step 2: Convert to fraction form
    289,270.26/434,019.48 = 89,606.18/x
  3. Step 3: Cross multiply
    289,270.26x = 434,019.48 × 89,606.18
  4. Step 4: Simplify right side
    289,270.26x = 38,890,827,648.39
  5. Step 5: Solve for x
    x = 38,890,827,648.39/289,270.26
  6. Step 6: Final answer
    x = 134,444.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.