Finding the Fourth Proportional to 254,908.18, 382,138.71 and 97,031.62
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Solution
The fourth proportional to 254,908.18, 382,138.71 and 97,031.62 is: 145,462.33
Step by Step Solution
- Step 1: Write the proportion equation
254,908.18 : 382,138.71 = 97,031.62 : x - Step 2: Convert to fraction form
254,908.18/382,138.71 = 97,031.62/x - Step 3: Cross multiply
254,908.18x = 382,138.71 × 97,031.62 - Step 4: Simplify right side
254,908.18x = 37,079,538,096.01 - Step 5: Solve for x
x = 37,079,538,096.01/254,908.18 - Step 6: Final answer
x = 145,462.33
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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.