Finding the Fourth Proportional to 292,371.06, 403,472.07 and 158,235.06
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Solution
The fourth proportional to 292,371.06, 403,472.07 and 158,235.06 is: 218,364.39
Step by Step Solution
- Step 1: Write the proportion equation
292,371.06 : 403,472.07 = 158,235.06 : x - Step 2: Convert to fraction form
292,371.06/403,472.07 = 158,235.06/x - Step 3: Cross multiply
292,371.06x = 403,472.07 × 158,235.06 - Step 4: Simplify right side
292,371.06x = 63,843,427,204.77 - Step 5: Solve for x
x = 63,843,427,204.77/292,371.06 - Step 6: Final answer
x = 218,364.39
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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.