Finding the Fourth Proportional to 207,031.07, 310,612.21 and 73,908.38
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Solution
The fourth proportional to 207,031.07, 310,612.21 and 73,908.38 is: 110,885.99
Step by Step Solution
- Step 1: Write the proportion equation
207,031.07 : 310,612.21 = 73,908.38 : x - Step 2: Convert to fraction form
207,031.07/310,612.21 = 73,908.38/x - Step 3: Cross multiply
207,031.07x = 310,612.21 × 73,908.38 - Step 4: Simplify right side
207,031.07x = 22,956,845,249.32 - Step 5: Solve for x
x = 22,956,845,249.32/207,031.07 - Step 6: Final answer
x = 110,885.99
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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.