Finding the Fourth Proportional to 197,124.48, 272,031.36 and 107,700.48
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Solution
The fourth proportional to 197,124.48, 272,031.36 and 107,700.48 is: 148,626.43
Step by Step Solution
- Step 1: Write the proportion equation
197,124.48 : 272,031.36 = 107,700.48 : x - Step 2: Convert to fraction form
197,124.48/272,031.36 = 107,700.48/x - Step 3: Cross multiply
197,124.48x = 272,031.36 × 107,700.48 - Step 4: Simplify right side
197,124.48x = 29,297,908,047.05 - Step 5: Solve for x
x = 29,297,908,047.05/197,124.48 - Step 6: Final answer
x = 148,626.43
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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.