Finding the Fourth Proportional to 518,680.80, 777,710.16 and 202,761.36
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Solution
The fourth proportional to 518,680.80, 777,710.16 and 202,761.36 is: 304,020.45
Step by Step Solution
- Step 1: Write the proportion equation
518,680.80 : 777,710.16 = 202,761.36 : x - Step 2: Convert to fraction form
518,680.80/777,710.16 = 202,761.36/x - Step 3: Cross multiply
518,680.80x = 777,710.16 × 202,761.36 - Step 4: Simplify right side
518,680.80x = 157,689,569,727.42 - Step 5: Solve for x
x = 157,689,569,727.42/518,680.80 - Step 6: Final answer
x = 304,020.45
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1.5x scale
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.