Finding the Fourth Proportional to 329,612.67, 454,862.97 and 186,377.81
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Solution
The fourth proportional to 329,612.67, 454,862.97 and 186,377.81 is: 257,199.95
Step by Step Solution
- Step 1: Write the proportion equation
329,612.67 : 454,862.97 = 186,377.81 : x - Step 2: Convert to fraction form
329,612.67/454,862.97 = 186,377.81/x - Step 3: Cross multiply
329,612.67x = 454,862.97 × 186,377.81 - Step 4: Simplify right side
329,612.67x = 84,776,361,924.38 - Step 5: Solve for x
x = 84,776,361,924.38/329,612.67 - Step 6: Final answer
x = 257,199.95
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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.