Finding the Fourth Proportional to 197,590.68, 272,675.11 and 106,946.62
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Solution
The fourth proportional to 197,590.68, 272,675.11 and 106,946.62 is: 147,586.32
Step by Step Solution
- Step 1: Write the proportion equation
197,590.68 : 272,675.11 = 106,946.62 : x - Step 2: Convert to fraction form
197,590.68/272,675.11 = 106,946.62/x - Step 3: Cross multiply
197,590.68x = 272,675.11 × 106,946.62 - Step 4: Simplify right side
197,590.68x = 29,161,681,372.63 - Step 5: Solve for x
x = 29,161,681,372.63/197,590.68 - Step 6: Final answer
x = 147,586.32
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1.5x scale
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.