Finding the Fourth Proportional to 426,768.42, 640,247.88 and 160,531.14
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Solution
The fourth proportional to 426,768.42, 640,247.88 and 160,531.14 is: 240,832.54
Step by Step Solution
- Step 1: Write the proportion equation
426,768.42 : 640,247.88 = 160,531.14 : x - Step 2: Convert to fraction form
426,768.42/640,247.88 = 160,531.14/x - Step 3: Cross multiply
426,768.42x = 640,247.88 × 160,531.14 - Step 4: Simplify right side
426,768.42x = 102,779,722,058.98 - Step 5: Solve for x
x = 102,779,722,058.98/426,768.42 - Step 6: Final answer
x = 240,832.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.