Finding the Fourth Proportional to 211,830.84, 292,327.92 and 116,336.70
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Solution
The fourth proportional to 211,830.84, 292,327.92 and 116,336.70 is: 160,545.39
Step by Step Solution
- Step 1: Write the proportion equation
211,830.84 : 292,327.92 = 116,336.70 : x - Step 2: Convert to fraction form
211,830.84/292,327.92 = 116,336.70/x - Step 3: Cross multiply
211,830.84x = 292,327.92 × 116,336.70 - Step 4: Simplify right side
211,830.84x = 34,008,465,530.66 - Step 5: Solve for x
x = 34,008,465,530.66/211,830.84 - Step 6: Final answer
x = 160,545.39
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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.