Finding the Fourth Proportional to 211,950.84, 319,339.96 and 191,710.99
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Solution
The fourth proportional to 211,950.84, 319,339.96 and 191,710.99 is: 288,845.19
Step by Step Solution
- Step 1: Write the proportion equation
211,950.84 : 319,339.96 = 191,710.99 : x - Step 2: Convert to fraction form
211,950.84/319,339.96 = 191,710.99/x - Step 3: Cross multiply
211,950.84x = 319,339.96 × 191,710.99 - Step 4: Simplify right side
211,950.84x = 61,220,979,878.16 - Step 5: Solve for x
x = 61,220,979,878.16/211,950.84 - Step 6: Final answer
x = 288,845.19
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1.5x scale
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.