Finding the Fourth Proportional to 268,456.60, 402,675.62 and 68,778.94
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Solution
The fourth proportional to 268,456.60, 402,675.62 and 68,778.94 is: 103,166.03
Step by Step Solution
- Step 1: Write the proportion equation
268,456.60 : 402,675.62 = 68,778.94 : x - Step 2: Convert to fraction form
268,456.60/402,675.62 = 68,778.94/x - Step 3: Cross multiply
268,456.60x = 402,675.62 × 68,778.94 - Step 4: Simplify right side
268,456.60x = 27,695,602,307.44 - Step 5: Solve for x
x = 27,695,602,307.44/268,456.60 - Step 6: Final answer
x = 103,166.03
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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.