Home / 358,426.80-537,640.20-109,076.40

Finding the Fourth Proportional to 358,426.80, 537,640.20 and 109,076.40

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Solution

The fourth proportional to 358,426.80, 537,640.20 and 109,076.40 is: 163,614.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,426.80 : 537,640.20 = 109,076.40 : x
  2. Step 2: Convert to fraction form
    358,426.80/537,640.20 = 109,076.40/x
  3. Step 3: Cross multiply
    358,426.80x = 537,640.20 × 109,076.40
  4. Step 4: Simplify right side
    358,426.80x = 58,643,857,511.28
  5. Step 5: Solve for x
    x = 58,643,857,511.28/358,426.80
  6. Step 6: Final answer
    x = 163,614.60

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1.5x scale

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.