Finding the Fourth Proportional to 197,702.12, 272,830.20 and 107,058.08
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Solution
The fourth proportional to 197,702.12, 272,830.20 and 107,058.08 is: 147,740.84
Step by Step Solution
- Step 1: Write the proportion equation
197,702.12 : 272,830.20 = 107,058.08 : x - Step 2: Convert to fraction form
197,702.12/272,830.20 = 107,058.08/x - Step 3: Cross multiply
197,702.12x = 272,830.20 × 107,058.08 - Step 4: Simplify right side
197,702.12x = 29,208,676,013.87 - Step 5: Solve for x
x = 29,208,676,013.87/197,702.12 - Step 6: Final answer
x = 147,740.84
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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.