Finding the Fourth Proportional to 121,741.88, 182,621.99 and 36,345.98
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Solution
The fourth proportional to 121,741.88, 182,621.99 and 36,345.98 is: 54,521.71
Step by Step Solution
- Step 1: Write the proportion equation
121,741.88 : 182,621.99 = 36,345.98 : x - Step 2: Convert to fraction form
121,741.88/182,621.99 = 36,345.98/x - Step 3: Cross multiply
121,741.88x = 182,621.99 × 36,345.98 - Step 4: Simplify right side
121,741.88x = 6,637,575,196.10 - Step 5: Solve for x
x = 6,637,575,196.10/121,741.88 - Step 6: Final answer
x = 54,521.71
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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.