Finding the Fourth Proportional to 347,553.99, 479,512.98 and 194,569.65
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Solution
The fourth proportional to 347,553.99, 479,512.98 and 194,569.65 is: 268,443.68
Step by Step Solution
- Step 1: Write the proportion equation
347,553.99 : 479,512.98 = 194,569.65 : x - Step 2: Convert to fraction form
347,553.99/479,512.98 = 194,569.65/x - Step 3: Cross multiply
347,553.99x = 479,512.98 × 194,569.65 - Step 4: Simplify right side
347,553.99x = 93,298,672,689.06 - Step 5: Solve for x
x = 93,298,672,689.06/347,553.99 - Step 6: Final answer
x = 268,443.68
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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.