Finding the Fourth Proportional to 319,729.87, 479,602.50 and 151,328.71
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Solution
The fourth proportional to 319,729.87, 479,602.50 and 151,328.71 is: 226,996.71
Step by Step Solution
- Step 1: Write the proportion equation
319,729.87 : 479,602.50 = 151,328.71 : x - Step 2: Convert to fraction form
319,729.87/479,602.50 = 151,328.71/x - Step 3: Cross multiply
319,729.87x = 479,602.50 × 151,328.71 - Step 4: Simplify right side
319,729.87x = 72,577,627,637.78 - Step 5: Solve for x
x = 72,577,627,637.78/319,729.87 - Step 6: Final answer
x = 226,996.71
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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.