Finding the Fourth Proportional to 268,265.36, 402,460.24 and 78,718.08
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Solution
The fourth proportional to 268,265.36, 402,460.24 and 78,718.08 is: 118,095.37
Step by Step Solution
- Step 1: Write the proportion equation
268,265.36 : 402,460.24 = 78,718.08 : x - Step 2: Convert to fraction form
268,265.36/402,460.24 = 78,718.08/x - Step 3: Cross multiply
268,265.36x = 402,460.24 × 78,718.08 - Step 4: Simplify right side
268,265.36x = 31,680,897,369.14 - Step 5: Solve for x
x = 31,680,897,369.14/268,265.36 - Step 6: Final answer
x = 118,095.37
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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.