Finding the Fourth Proportional to 292,811.68, 404,079.84 and 158,675.68
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Solution
The fourth proportional to 292,811.68, 404,079.84 and 158,675.68 is: 218,972.29
Step by Step Solution
- Step 1: Write the proportion equation
292,811.68 : 404,079.84 = 158,675.68 : x - Step 2: Convert to fraction form
292,811.68/404,079.84 = 158,675.68/x - Step 3: Cross multiply
292,811.68x = 404,079.84 × 158,675.68 - Step 4: Simplify right side
292,811.68x = 64,117,643,386.29 - Step 5: Solve for x
x = 64,117,643,386.29/292,811.68 - Step 6: Final answer
x = 218,972.29
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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.