Finding the Fourth Proportional to 292,543.62, 403,710.20 and 158,407.62
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Solution
The fourth proportional to 292,543.62, 403,710.20 and 158,407.62 is: 218,602.52
Step by Step Solution
- Step 1: Write the proportion equation
292,543.62 : 403,710.20 = 158,407.62 : x - Step 2: Convert to fraction form
292,543.62/403,710.20 = 158,407.62/x - Step 3: Cross multiply
292,543.62x = 403,710.20 × 158,407.62 - Step 4: Simplify right side
292,543.62x = 63,950,771,951.72 - Step 5: Solve for x
x = 63,950,771,951.72/292,543.62 - Step 6: Final answer
x = 218,602.52
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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.