Finding the Fourth Proportional to 192,878.41, 266,110.69 and 124,947.45
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Solution
The fourth proportional to 192,878.41, 266,110.69 and 124,947.45 is: 172,387.63
Step by Step Solution
- Step 1: Write the proportion equation
192,878.41 : 266,110.69 = 124,947.45 : x - Step 2: Convert to fraction form
192,878.41/266,110.69 = 124,947.45/x - Step 3: Cross multiply
192,878.41x = 266,110.69 × 124,947.45 - Step 4: Simplify right side
192,878.41x = 33,249,852,133.24 - Step 5: Solve for x
x = 33,249,852,133.24/192,878.41 - Step 6: Final answer
x = 172,387.63
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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.