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Finding the Fourth Proportional to 179,661.40, 269,492.90 and 46,532.20

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Solution

The fourth proportional to 179,661.40, 269,492.90 and 46,532.20 is: 69,798.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,661.40 : 269,492.90 = 46,532.20 : x
  2. Step 2: Convert to fraction form
    179,661.40/269,492.90 = 46,532.20/x
  3. Step 3: Cross multiply
    179,661.40x = 269,492.90 × 46,532.20
  4. Step 4: Simplify right side
    179,661.40x = 12,540,097,521.38
  5. Step 5: Solve for x
    x = 12,540,097,521.38/179,661.40
  6. Step 6: Final answer
    x = 69,798.51

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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.