Finding the Fourth Proportional to 160,612.48, 221,641.95 and 88,992.28
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Solution
The fourth proportional to 160,612.48, 221,641.95 and 88,992.28 is: 122,807.53
Step by Step Solution
- Step 1: Write the proportion equation
160,612.48 : 221,641.95 = 88,992.28 : x - Step 2: Convert to fraction form
160,612.48/221,641.95 = 88,992.28/x - Step 3: Cross multiply
160,612.48x = 221,641.95 × 88,992.28 - Step 4: Simplify right side
160,612.48x = 19,724,422,474.15 - Step 5: Solve for x
x = 19,724,422,474.15/160,612.48 - Step 6: Final answer
x = 122,807.53
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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.