Finding the Fourth Proportional to 134,971.76, 202,458.36 and 88,518.80
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Solution
The fourth proportional to 134,971.76, 202,458.36 and 88,518.80 is: 132,778.67
Step by Step Solution
- Step 1: Write the proportion equation
134,971.76 : 202,458.36 = 88,518.80 : x - Step 2: Convert to fraction form
134,971.76/202,458.36 = 88,518.80/x - Step 3: Cross multiply
134,971.76x = 202,458.36 × 88,518.80 - Step 4: Simplify right side
134,971.76x = 17,921,371,077.17 - Step 5: Solve for x
x = 17,921,371,077.17/134,971.76 - Step 6: Final answer
x = 132,778.67
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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.