Finding the Fourth Proportional to 361,501.68, 498,853.11 and 208,530.75
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Solution
The fourth proportional to 361,501.68, 498,853.11 and 208,530.75 is: 287,761.35
Step by Step Solution
- Step 1: Write the proportion equation
361,501.68 : 498,853.11 = 208,530.75 : x - Step 2: Convert to fraction form
361,501.68/498,853.11 = 208,530.75/x - Step 3: Cross multiply
361,501.68x = 498,853.11 × 208,530.75 - Step 4: Simplify right side
361,501.68x = 104,026,213,168.13 - Step 5: Solve for x
x = 104,026,213,168.13/361,501.68 - Step 6: Final answer
x = 287,761.35
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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.