Finding the Fourth Proportional to 157,169.97, 235,752.64 and 38,841.31
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Solution
The fourth proportional to 157,169.97, 235,752.64 and 38,841.31 is: 58,261.39
Step by Step Solution
- Step 1: Write the proportion equation
157,169.97 : 235,752.64 = 38,841.31 : x - Step 2: Convert to fraction form
157,169.97/235,752.64 = 38,841.31/x - Step 3: Cross multiply
157,169.97x = 235,752.64 × 38,841.31 - Step 4: Simplify right side
157,169.97x = 9,156,941,373.56 - Step 5: Solve for x
x = 9,156,941,373.56/157,169.97 - Step 6: Final answer
x = 58,261.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.