Finding the Fourth Proportional to 388,841.10, 583,206.16 and 122,566.96
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Solution
The fourth proportional to 388,841.10, 583,206.16 and 122,566.96 is: 183,832.95
Step by Step Solution
- Step 1: Write the proportion equation
388,841.10 : 583,206.16 = 122,566.96 : x - Step 2: Convert to fraction form
388,841.10/583,206.16 = 122,566.96/x - Step 3: Cross multiply
388,841.10x = 583,206.16 × 122,566.96 - Step 4: Simplify right side
388,841.10x = 71,481,806,084.47 - Step 5: Solve for x
x = 71,481,806,084.47/388,841.10 - Step 6: Final answer
x = 183,832.95
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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.