Finding the Fourth Proportional to 416,538.18, 624,678.12 and 150,264.09
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Solution
The fourth proportional to 416,538.18, 624,678.12 and 150,264.09 is: 225,349.54
Step by Step Solution
- Step 1: Write the proportion equation
416,538.18 : 624,678.12 = 150,264.09 : x - Step 2: Convert to fraction form
416,538.18/624,678.12 = 150,264.09/x - Step 3: Cross multiply
416,538.18x = 624,678.12 × 150,264.09 - Step 4: Simplify right side
416,538.18x = 93,866,689,244.71 - Step 5: Solve for x
x = 93,866,689,244.71/416,538.18 - Step 6: Final answer
x = 225,349.54
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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.