Finding the Fourth Proportional to 292,110.68, 403,113.95 and 157,974.68
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Solution
The fourth proportional to 292,110.68, 403,113.95 and 157,974.68 is: 218,005.72
Step by Step Solution
- Step 1: Write the proportion equation
292,110.68 : 403,113.95 = 157,974.68 : x - Step 2: Convert to fraction form
292,110.68/403,113.95 = 157,974.68/x - Step 3: Cross multiply
292,110.68x = 403,113.95 × 157,974.68 - Step 4: Simplify right side
292,110.68x = 63,681,797,597.80 - Step 5: Solve for x
x = 63,681,797,597.80/292,110.68 - Step 6: Final answer
x = 218,005.72
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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.