Finding the Fourth Proportional to 128,801.80, 193,202.70 and 62,273.80
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Solution
The fourth proportional to 128,801.80, 193,202.70 and 62,273.80 is: 93,410.70
Step by Step Solution
- Step 1: Write the proportion equation
128,801.80 : 193,202.70 = 62,273.80 : x - Step 2: Convert to fraction form
128,801.80/193,202.70 = 62,273.80/x - Step 3: Cross multiply
128,801.80x = 193,202.70 × 62,273.80 - Step 4: Simplify right side
128,801.80x = 12,031,466,299.26 - Step 5: Solve for x
x = 12,031,466,299.26/128,801.80 - Step 6: Final answer
x = 93,410.70
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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.