Finding the Fourth Proportional to 292,607.70, 403,798.62 and 158,471.70
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Solution
The fourth proportional to 292,607.70, 403,798.62 and 158,471.70 is: 218,690.94
Step by Step Solution
- Step 1: Write the proportion equation
292,607.70 : 403,798.62 = 158,471.70 : x - Step 2: Convert to fraction form
292,607.70/403,798.62 = 158,471.70/x - Step 3: Cross multiply
292,607.70x = 403,798.62 × 158,471.70 - Step 4: Simplify right side
292,607.70x = 63,990,653,769.05 - Step 5: Solve for x
x = 63,990,653,769.05/292,607.70 - Step 6: Final answer
x = 218,690.94
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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.