Finding the Fourth Proportional to 171,097.18, 236,128.71 and 99,472.66
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Solution
The fourth proportional to 171,097.18, 236,128.71 and 99,472.66 is: 137,280.76
Step by Step Solution
- Step 1: Write the proportion equation
171,097.18 : 236,128.71 = 99,472.66 : x - Step 2: Convert to fraction form
171,097.18/236,128.71 = 99,472.66/x - Step 3: Cross multiply
171,097.18x = 236,128.71 × 99,472.66 - Step 4: Simplify right side
171,097.18x = 23,488,350,886.07 - Step 5: Solve for x
x = 23,488,350,886.07/171,097.18 - Step 6: Final answer
x = 137,280.76
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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.