Finding the Fourth Proportional to 379,878.36, 524,210.08 and 207,764.19
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Solution
The fourth proportional to 379,878.36, 524,210.08 and 207,764.19 is: 286,702.52
Step by Step Solution
- Step 1: Write the proportion equation
379,878.36 : 524,210.08 = 207,764.19 : x - Step 2: Convert to fraction form
379,878.36/524,210.08 = 207,764.19/x - Step 3: Cross multiply
379,878.36x = 524,210.08 × 207,764.19 - Step 4: Simplify right side
379,878.36x = 108,912,082,531.18 - Step 5: Solve for x
x = 108,912,082,531.18/379,878.36 - Step 6: Final answer
x = 286,702.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.