Finding the Fourth Proportional to 427,368.66, 589,729.11 and 236,377.95
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Solution
The fourth proportional to 427,368.66, 589,729.11 and 236,377.95 is: 326,179.65
Step by Step Solution
- Step 1: Write the proportion equation
427,368.66 : 589,729.11 = 236,377.95 : x - Step 2: Convert to fraction form
427,368.66/589,729.11 = 236,377.95/x - Step 3: Cross multiply
427,368.66x = 589,729.11 × 236,377.95 - Step 4: Simplify right side
427,368.66x = 139,398,958,077.13 - Step 5: Solve for x
x = 139,398,958,077.13/427,368.66 - Step 6: Final answer
x = 326,179.65
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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.