Finding the Fourth Proportional to 171,252.68, 236,423.71 and 103,286.79
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Solution
The fourth proportional to 171,252.68, 236,423.71 and 103,286.79 is: 142,593.07
Step by Step Solution
- Step 1: Write the proportion equation
171,252.68 : 236,423.71 = 103,286.79 : x - Step 2: Convert to fraction form
171,252.68/236,423.71 = 103,286.79/x - Step 3: Cross multiply
171,252.68x = 236,423.71 × 103,286.79 - Step 4: Simplify right side
171,252.68x = 24,419,445,569.36 - Step 5: Solve for x
x = 24,419,445,569.36/171,252.68 - Step 6: Final answer
x = 142,593.07
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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.