Finding the Fourth Proportional to 268,377.49, 370,395.90 and 173,161.18
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Solution
The fourth proportional to 268,377.49, 370,395.90 and 173,161.18 is: 238,984.99
Step by Step Solution
- Step 1: Write the proportion equation
268,377.49 : 370,395.90 = 173,161.18 : x - Step 2: Convert to fraction form
268,377.49/370,395.90 = 173,161.18/x - Step 3: Cross multiply
268,377.49x = 370,395.90 × 173,161.18 - Step 4: Simplify right side
268,377.49x = 64,138,191,111.16 - Step 5: Solve for x
x = 64,138,191,111.16/268,377.49 - Step 6: Final answer
x = 238,984.99
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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.