Finding the Fourth Proportional to 160,266.95, 221,170.34 and 88,645.13
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Solution
The fourth proportional to 160,266.95, 221,170.34 and 88,645.13 is: 122,331.35
Step by Step Solution
- Step 1: Write the proportion equation
160,266.95 : 221,170.34 = 88,645.13 : x - Step 2: Convert to fraction form
160,266.95/221,170.34 = 88,645.13/x - Step 3: Cross multiply
160,266.95x = 221,170.34 × 88,645.13 - Step 4: Simplify right side
160,266.95x = 19,605,673,098.22 - Step 5: Solve for x
x = 19,605,673,098.22/160,266.95 - Step 6: Final answer
x = 122,331.35
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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.