Finding the Fourth Proportional to 316,716.66, 437,068.32 and 171,521.99
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Solution
The fourth proportional to 316,716.66, 437,068.32 and 171,521.99 is: 236,699.98
Step by Step Solution
- Step 1: Write the proportion equation
316,716.66 : 437,068.32 = 171,521.99 : x - Step 2: Convert to fraction form
316,716.66/437,068.32 = 171,521.99/x - Step 3: Cross multiply
316,716.66x = 437,068.32 × 171,521.99 - Step 4: Simplify right side
316,716.66x = 74,966,825,827.02 - Step 5: Solve for x
x = 74,966,825,827.02/316,716.66 - Step 6: Final answer
x = 236,699.98
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1.5x scale
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.