Finding the Fourth Proportional to 443,397.13, 611,888.10 and 242,193.13
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Solution
The fourth proportional to 443,397.13, 611,888.10 and 242,193.13 is: 334,226.55
Step by Step Solution
- Step 1: Write the proportion equation
443,397.13 : 611,888.10 = 242,193.13 : x - Step 2: Convert to fraction form
443,397.13/611,888.10 = 242,193.13/x - Step 3: Cross multiply
443,397.13x = 611,888.10 × 242,193.13 - Step 4: Simplify right side
443,397.13x = 148,195,094,148.75 - Step 5: Solve for x
x = 148,195,094,148.75/443,397.13 - Step 6: Final answer
x = 334,226.55
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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.