Finding the Fourth Proportional to 171,859.17, 237,111.99 and 99,252.75
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Solution
The fourth proportional to 171,859.17, 237,111.99 and 99,252.75 is: 136,937.80
Step by Step Solution
- Step 1: Write the proportion equation
171,859.17 : 237,111.99 = 99,252.75 : x - Step 2: Convert to fraction form
171,859.17/237,111.99 = 99,252.75/x - Step 3: Cross multiply
171,859.17x = 237,111.99 × 99,252.75 - Step 4: Simplify right side
171,859.17x = 23,534,017,065.47 - Step 5: Solve for x
x = 23,534,017,065.47/171,859.17 - Step 6: Final answer
x = 136,937.80
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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.