Finding the Fourth Proportional to 319,586.70, 479,297.08 and 94,894.32
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Solution
The fourth proportional to 319,586.70, 479,297.08 and 94,894.32 is: 142,316.84
Step by Step Solution
- Step 1: Write the proportion equation
319,586.70 : 479,297.08 = 94,894.32 : x - Step 2: Convert to fraction form
319,586.70/479,297.08 = 94,894.32/x - Step 3: Cross multiply
319,586.70x = 479,297.08 × 94,894.32 - Step 4: Simplify right side
319,586.70x = 45,482,570,484.59 - Step 5: Solve for x
x = 45,482,570,484.59/319,586.70 - Step 6: Final answer
x = 142,316.84
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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.