Finding the Fourth Proportional to 518,731.24, 777,805.02 and 163,679.08
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Solution
The fourth proportional to 518,731.24, 777,805.02 and 163,679.08 is: 245,426.53
Step by Step Solution
- Step 1: Write the proportion equation
518,731.24 : 777,805.02 = 163,679.08 : x - Step 2: Convert to fraction form
518,731.24/777,805.02 = 163,679.08/x - Step 3: Cross multiply
518,731.24x = 777,805.02 × 163,679.08 - Step 4: Simplify right side
518,731.24x = 127,310,410,092.98 - Step 5: Solve for x
x = 127,310,410,092.98/518,731.24 - Step 6: Final answer
x = 245,426.53
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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.