Finding the Fourth Proportional to 117,472.80, 176,227.62 and 38,569.08
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Solution
The fourth proportional to 117,472.80, 176,227.62 and 38,569.08 is: 57,859.67
Step by Step Solution
- Step 1: Write the proportion equation
117,472.80 : 176,227.62 = 38,569.08 : x - Step 2: Convert to fraction form
117,472.80/176,227.62 = 38,569.08/x - Step 3: Cross multiply
117,472.80x = 176,227.62 × 38,569.08 - Step 4: Simplify right side
117,472.80x = 6,796,937,173.99 - Step 5: Solve for x
x = 6,796,937,173.99/117,472.80 - Step 6: Final answer
x = 57,859.67
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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.