Finding the Fourth Proportional to 564,698.80, 847,378.68 and 209,957.68
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Solution
The fourth proportional to 564,698.80, 847,378.68 and 209,957.68 is: 315,059.39
Step by Step Solution
- Step 1: Write the proportion equation
564,698.80 : 847,378.68 = 209,957.68 : x - Step 2: Convert to fraction form
564,698.80/847,378.68 = 209,957.68/x - Step 3: Cross multiply
564,698.80x = 847,378.68 × 209,957.68 - Step 4: Simplify right side
564,698.80x = 177,913,661,734.26 - Step 5: Solve for x
x = 177,913,661,734.26/564,698.80 - Step 6: Final answer
x = 315,059.39
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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.