Finding the Fourth Proportional to 478,587.42, 717,702.36 and 158,680.62
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Solution
The fourth proportional to 478,587.42, 717,702.36 and 158,680.62 is: 237,961.66
Step by Step Solution
- Step 1: Write the proportion equation
478,587.42 : 717,702.36 = 158,680.62 : x - Step 2: Convert to fraction form
478,587.42/717,702.36 = 158,680.62/x - Step 3: Cross multiply
478,587.42x = 717,702.36 × 158,680.62 - Step 4: Simplify right side
478,587.42x = 113,885,455,460.26 - Step 5: Solve for x
x = 113,885,455,460.26/478,587.42 - Step 6: Final answer
x = 237,961.66
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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.