Finding the Fourth Proportional to 175,519.78, 242,218.47 and 107,536.88
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Solution
The fourth proportional to 175,519.78, 242,218.47 and 107,536.88 is: 148,401.61
Step by Step Solution
- Step 1: Write the proportion equation
175,519.78 : 242,218.47 = 107,536.88 : x - Step 2: Convert to fraction form
175,519.78/242,218.47 = 107,536.88/x - Step 3: Cross multiply
175,519.78x = 242,218.47 × 107,536.88 - Step 4: Simplify right side
175,519.78x = 26,047,417,062.24 - Step 5: Solve for x
x = 26,047,417,062.24/175,519.78 - Step 6: Final answer
x = 148,401.61
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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.