Home / 289,963.24-434,969.18-123,752.68

Finding the Fourth Proportional to 289,963.24, 434,969.18 and 123,752.68

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Solution

The fourth proportional to 289,963.24, 434,969.18 and 123,752.68 is: 185,639.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,963.24 : 434,969.18 = 123,752.68 : x
  2. Step 2: Convert to fraction form
    289,963.24/434,969.18 = 123,752.68/x
  3. Step 3: Cross multiply
    289,963.24x = 434,969.18 × 123,752.68
  4. Step 4: Simplify right side
    289,963.24x = 53,828,601,742.40
  5. Step 5: Solve for x
    x = 53,828,601,742.40/289,963.24
  6. Step 6: Final answer
    x = 185,639.40

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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.