Finding the Fourth Proportional to 518,730.24, 777,803.52 and 163,678.08
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Solution
The fourth proportional to 518,730.24, 777,803.52 and 163,678.08 is: 245,425.03
Step by Step Solution
- Step 1: Write the proportion equation
518,730.24 : 777,803.52 = 163,678.08 : x - Step 2: Convert to fraction form
518,730.24/777,803.52 = 163,678.08/x - Step 3: Cross multiply
518,730.24x = 777,803.52 × 163,678.08 - Step 4: Simplify right side
518,730.24x = 127,309,386,770.84 - Step 5: Solve for x
x = 127,309,386,770.84/518,730.24 - Step 6: Final answer
x = 245,425.03
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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.