Finding the Fourth Proportional to 242,215.80, 363,177.90 and 124,117.80
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Solution
The fourth proportional to 242,215.80, 363,177.90 and 124,117.80 is: 186,101.99
Step by Step Solution
- Step 1: Write the proportion equation
242,215.80 : 363,177.90 = 124,117.80 : x - Step 2: Convert to fraction form
242,215.80/363,177.90 = 124,117.80/x - Step 3: Cross multiply
242,215.80x = 363,177.90 × 124,117.80 - Step 4: Simplify right side
242,215.80x = 45,076,841,956.62 - Step 5: Solve for x
x = 45,076,841,956.62/242,215.80 - Step 6: Final answer
x = 186,101.99
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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.