Finding the Fourth Proportional to 292,342.08, 403,433.12 and 158,206.08
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Solution
The fourth proportional to 292,342.08, 403,433.12 and 158,206.08 is: 218,324.96
Step by Step Solution
- Step 1: Write the proportion equation
292,342.08 : 403,433.12 = 158,206.08 : x - Step 2: Convert to fraction form
292,342.08/403,433.12 = 158,206.08/x - Step 3: Cross multiply
292,342.08x = 403,433.12 × 158,206.08 - Step 4: Simplify right side
292,342.08x = 63,825,572,457.37 - Step 5: Solve for x
x = 63,825,572,457.37/292,342.08 - Step 6: Final answer
x = 218,324.96
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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.