Home / 289,983.48-434,837.18-119,178.50

Finding the Fourth Proportional to 289,983.48, 434,837.18 and 119,178.50

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Solution

The fourth proportional to 289,983.48, 434,837.18 and 119,178.50 is: 178,711.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,983.48 : 434,837.18 = 119,178.50 : x
  2. Step 2: Convert to fraction form
    289,983.48/434,837.18 = 119,178.50/x
  3. Step 3: Cross multiply
    289,983.48x = 434,837.18 × 119,178.50
  4. Step 4: Simplify right side
    289,983.48x = 51,823,240,086.55
  5. Step 5: Solve for x
    x = 51,823,240,086.55/289,983.48
  6. Step 6: Final answer
    x = 178,711.01

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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.