Finding the Fourth Proportional to 268,215.42, 402,321.99 and 68,535.49
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Solution
The fourth proportional to 268,215.42, 402,321.99 and 68,535.49 is: 102,802.94
Step by Step Solution
- Step 1: Write the proportion equation
268,215.42 : 402,321.99 = 68,535.49 : x - Step 2: Convert to fraction form
268,215.42/402,321.99 = 68,535.49/x - Step 3: Cross multiply
268,215.42x = 402,321.99 × 68,535.49 - Step 4: Simplify right side
268,215.42x = 27,573,333,973.63 - Step 5: Solve for x
x = 27,573,333,973.63/268,215.42 - Step 6: Final answer
x = 102,802.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.