Finding the Fourth Proportional to 268,330.18, 402,492.44 and 68,648.98
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Solution
The fourth proportional to 268,330.18, 402,492.44 and 68,648.98 is: 102,972.75
Step by Step Solution
- Step 1: Write the proportion equation
268,330.18 : 402,492.44 = 68,648.98 : x - Step 2: Convert to fraction form
268,330.18/402,492.44 = 68,648.98/x - Step 3: Cross multiply
268,330.18x = 402,492.44 × 68,648.98 - Step 4: Simplify right side
268,330.18x = 27,630,695,463.71 - Step 5: Solve for x
x = 27,630,695,463.71/268,330.18 - Step 6: Final answer
x = 102,972.75
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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.