Finding the Fourth Proportional to 160,484.35, 221,480.78 and 88,870.99
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Solution
The fourth proportional to 160,484.35, 221,480.78 and 88,870.99 is: 122,648.82
Step by Step Solution
- Step 1: Write the proportion equation
160,484.35 : 221,480.78 = 88,870.99 : x - Step 2: Convert to fraction form
160,484.35/221,480.78 = 88,870.99/x - Step 3: Cross multiply
160,484.35x = 221,480.78 × 88,870.99 - Step 4: Simplify right side
160,484.35x = 19,683,215,740.22 - Step 5: Solve for x
x = 19,683,215,740.22/160,484.35 - Step 6: Final answer
x = 122,648.82
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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.