Finding the Fourth Proportional to 534,239.12, 737,221.68 and 292,475.36
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Solution
The fourth proportional to 534,239.12, 737,221.68 and 292,475.36 is: 403,600.50
Step by Step Solution
- Step 1: Write the proportion equation
534,239.12 : 737,221.68 = 292,475.36 : x - Step 2: Convert to fraction form
534,239.12/737,221.68 = 292,475.36/x - Step 3: Cross multiply
534,239.12x = 737,221.68 × 292,475.36 - Step 4: Simplify right side
534,239.12x = 215,619,176,257.81 - Step 5: Solve for x
x = 215,619,176,257.81/534,239.12 - Step 6: Final answer
x = 403,600.50
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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.