Finding the Fourth Proportional to 534,145.58, 737,121.12 and 292,443.80
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Solution
The fourth proportional to 534,145.58, 737,121.12 and 292,443.80 is: 403,572.56
Step by Step Solution
- Step 1: Write the proportion equation
534,145.58 : 737,121.12 = 292,443.80 : x - Step 2: Convert to fraction form
534,145.58/737,121.12 = 292,443.80/x - Step 3: Cross multiply
534,145.58x = 737,121.12 × 292,443.80 - Step 4: Simplify right side
534,145.58x = 215,566,501,393.06 - Step 5: Solve for x
x = 215,566,501,393.06/534,145.58 - Step 6: Final answer
x = 403,572.56
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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.