Finding the Fourth Proportional to 344,071.13, 474,855.38 and 208,179.99
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Solution
The fourth proportional to 344,071.13, 474,855.38 and 208,179.99 is: 287,310.91
Step by Step Solution
- Step 1: Write the proportion equation
344,071.13 : 474,855.38 = 208,179.99 : x - Step 2: Convert to fraction form
344,071.13/474,855.38 = 208,179.99/x - Step 3: Cross multiply
344,071.13x = 474,855.38 × 208,179.99 - Step 4: Simplify right side
344,071.13x = 98,855,387,999.62 - Step 5: Solve for x
x = 98,855,387,999.62/344,071.13 - Step 6: Final answer
x = 287,310.91
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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.