Home / 269,107.10-403,315.05-163,814.30

Finding the Fourth Proportional to 269,107.10, 403,315.05 and 163,814.30

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Solution

The fourth proportional to 269,107.10, 403,315.05 and 163,814.30 is: 245,511.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,107.10 : 403,315.05 = 163,814.30 : x
  2. Step 2: Convert to fraction form
    269,107.10/403,315.05 = 163,814.30/x
  3. Step 3: Cross multiply
    269,107.10x = 403,315.05 × 163,814.30
  4. Step 4: Simplify right side
    269,107.10x = 66,068,772,595.22
  5. Step 5: Solve for x
    x = 66,068,772,595.22/269,107.10
  6. Step 6: Final answer
    x = 245,511.07

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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.