Home / 289,522.38-434,262.65-89,837.67

Finding the Fourth Proportional to 289,522.38, 434,262.65 and 89,837.67

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Solution

The fourth proportional to 289,522.38, 434,262.65 and 89,837.67 is: 134,750.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,522.38 : 434,262.65 = 89,837.67 : x
  2. Step 2: Convert to fraction form
    289,522.38/434,262.65 = 89,837.67/x
  3. Step 3: Cross multiply
    289,522.38x = 434,262.65 × 89,837.67
  4. Step 4: Simplify right side
    289,522.38x = 39,013,144,194.84
  5. Step 5: Solve for x
    x = 39,013,144,194.84/289,522.38
  6. Step 6: Final answer
    x = 134,750.01

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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.