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Finding the Fourth Proportional to 202,295.70, 303,407.10 and 127,281.60

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Solution

The fourth proportional to 202,295.70, 303,407.10 and 127,281.60 is: 190,899.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,295.70 : 303,407.10 = 127,281.60 : x
  2. Step 2: Convert to fraction form
    202,295.70/303,407.10 = 127,281.60/x
  3. Step 3: Cross multiply
    202,295.70x = 303,407.10 × 127,281.60
  4. Step 4: Simplify right side
    202,295.70x = 38,618,141,139.36
  5. Step 5: Solve for x
    x = 38,618,141,139.36/202,295.70
  6. Step 6: Final answer
    x = 190,899.47

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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.