Finding the Fourth Proportional to 305,024.16, 420,948.84 and 175,914.62
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Solution
The fourth proportional to 305,024.16, 420,948.84 and 175,914.62 is: 242,771.11
Step by Step Solution
- Step 1: Write the proportion equation
305,024.16 : 420,948.84 = 175,914.62 : x - Step 2: Convert to fraction form
305,024.16/420,948.84 = 175,914.62/x - Step 3: Cross multiply
305,024.16x = 420,948.84 × 175,914.62 - Step 4: Simplify right side
305,024.16x = 74,051,055,228.04 - Step 5: Solve for x
x = 74,051,055,228.04/305,024.16 - Step 6: Final answer
x = 242,771.11
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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.