Finding the Fourth Proportional to 319,570.40, 479,354.99 and 186,357.24
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Solution
The fourth proportional to 319,570.40, 479,354.99 and 186,357.24 is: 279,535.50
Step by Step Solution
- Step 1: Write the proportion equation
319,570.40 : 479,354.99 = 186,357.24 : x - Step 2: Convert to fraction form
319,570.40/479,354.99 = 186,357.24/x - Step 3: Cross multiply
319,570.40x = 479,354.99 × 186,357.24 - Step 4: Simplify right side
319,570.40x = 89,331,272,916.63 - Step 5: Solve for x
x = 89,331,272,916.63/319,570.40 - Step 6: Final answer
x = 279,535.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.