Finding the Fourth Proportional to 234,894.78, 352,225.35 and 74,949.75
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Solution
The fourth proportional to 234,894.78, 352,225.35 and 74,949.75 is: 112,387.35
Step by Step Solution
- Step 1: Write the proportion equation
234,894.78 : 352,225.35 = 74,949.75 : x - Step 2: Convert to fraction form
234,894.78/352,225.35 = 74,949.75/x - Step 3: Cross multiply
234,894.78x = 352,225.35 × 74,949.75 - Step 4: Simplify right side
234,894.78x = 26,399,201,926.16 - Step 5: Solve for x
x = 26,399,201,926.16/234,894.78 - Step 6: Final answer
x = 112,387.35
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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.