Finding the Fourth Proportional to 217,530.61, 300,166.01 and 120,733.99
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Solution
The fourth proportional to 217,530.61, 300,166.01 and 120,733.99 is: 166,598.34
Step by Step Solution
- Step 1: Write the proportion equation
217,530.61 : 300,166.01 = 120,733.99 : x - Step 2: Convert to fraction form
217,530.61/300,166.01 = 120,733.99/x - Step 3: Cross multiply
217,530.61x = 300,166.01 × 120,733.99 - Step 4: Simplify right side
217,530.61x = 36,240,238,548.85 - Step 5: Solve for x
x = 36,240,238,548.85/217,530.61 - Step 6: Final answer
x = 166,598.34
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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.