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Finding the Fourth Proportional to 341,578.60, 470,995.08 and 220,560.96

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Solution

The fourth proportional to 341,578.60, 470,995.08 and 220,560.96 is: 304,126.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,578.60 : 470,995.08 = 220,560.96 : x
  2. Step 2: Convert to fraction form
    341,578.60/470,995.08 = 220,560.96/x
  3. Step 3: Cross multiply
    341,578.60x = 470,995.08 × 220,560.96
  4. Step 4: Simplify right side
    341,578.60x = 103,883,127,000.08
  5. Step 5: Solve for x
    x = 103,883,127,000.08/341,578.60
  6. Step 6: Final answer
    x = 304,126.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.