Finding the Fourth Proportional to 211,952.84, 319,342.98 and 191,712.99
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Solution
The fourth proportional to 211,952.84, 319,342.98 and 191,712.99 is: 288,848.21
Step by Step Solution
- Step 1: Write the proportion equation
211,952.84 : 319,342.98 = 191,712.99 : x - Step 2: Convert to fraction form
211,952.84/319,342.98 = 191,712.99/x - Step 3: Cross multiply
211,952.84x = 319,342.98 × 191,712.99 - Step 4: Simplify right side
211,952.84x = 61,222,197,531.31 - Step 5: Solve for x
x = 61,222,197,531.31/211,952.84 - Step 6: Final answer
x = 288,848.21
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.