Finding the Fourth Proportional to 472,476.77, 708,717.99 and 117,490.79
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Solution
The fourth proportional to 472,476.77, 708,717.99 and 117,490.79 is: 176,236.89
Step by Step Solution
- Step 1: Write the proportion equation
472,476.77 : 708,717.99 = 117,490.79 : x - Step 2: Convert to fraction form
472,476.77/708,717.99 = 117,490.79/x - Step 3: Cross multiply
472,476.77x = 708,717.99 × 117,490.79 - Step 4: Simplify right side
472,476.77x = 83,267,839,081.77 - Step 5: Solve for x
x = 83,267,839,081.77/472,476.77 - Step 6: Final answer
x = 176,236.89
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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.