Finding the Fourth Proportional to 371,193.12, 556,871.58 and 157,949.64
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Solution
The fourth proportional to 371,193.12, 556,871.58 and 157,949.64 is: 236,959.31
Step by Step Solution
- Step 1: Write the proportion equation
371,193.12 : 556,871.58 = 157,949.64 : x - Step 2: Convert to fraction form
371,193.12/556,871.58 = 157,949.64/x - Step 3: Cross multiply
371,193.12x = 556,871.58 × 157,949.64 - Step 4: Simplify right side
371,193.12x = 87,957,665,587.23 - Step 5: Solve for x
x = 87,957,665,587.23/371,193.12 - Step 6: Final answer
x = 236,959.31
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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.