Finding the Fourth Proportional to 160,470.34, 221,455.98 and 88,850.35
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Solution
The fourth proportional to 160,470.34, 221,455.98 and 88,850.35 is: 122,617.31
Step by Step Solution
- Step 1: Write the proportion equation
160,470.34 : 221,455.98 = 88,850.35 : x - Step 2: Convert to fraction form
160,470.34/221,455.98 = 88,850.35/x - Step 3: Cross multiply
160,470.34x = 221,455.98 × 88,850.35 - Step 4: Simplify right side
160,470.34x = 19,676,441,332.59 - Step 5: Solve for x
x = 19,676,441,332.59/160,470.34 - Step 6: Final answer
x = 122,617.31
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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.