Finding the Fourth Proportional to 168,031.40, 251,528.70 and 97,701.80
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Solution
The fourth proportional to 168,031.40, 251,528.70 and 97,701.80 is: 146,251.28
Step by Step Solution
- Step 1: Write the proportion equation
168,031.40 : 251,528.70 = 97,701.80 : x - Step 2: Convert to fraction form
168,031.40/251,528.70 = 97,701.80/x - Step 3: Cross multiply
168,031.40x = 251,528.70 × 97,701.80 - Step 4: Simplify right side
168,031.40x = 24,574,806,741.66 - Step 5: Solve for x
x = 24,574,806,741.66/168,031.40 - Step 6: Final answer
x = 146,251.28
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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.