Finding the Fourth Proportional to 147,454.84, 221,247.60 and 77,317.48
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Solution
The fourth proportional to 147,454.84, 221,247.60 and 77,317.48 is: 116,010.48
Step by Step Solution
- Step 1: Write the proportion equation
147,454.84 : 221,247.60 = 77,317.48 : x - Step 2: Convert to fraction form
147,454.84/221,247.60 = 77,317.48/x - Step 3: Cross multiply
147,454.84x = 221,247.60 × 77,317.48 - Step 4: Simplify right side
147,454.84x = 17,106,306,888.05 - Step 5: Solve for x
x = 17,106,306,888.05/147,454.84 - Step 6: Final answer
x = 116,010.48
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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.