Finding the Fourth Proportional to 407,874.96, 611,120.70 and 249,772.68
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Solution
The fourth proportional to 407,874.96, 611,120.70 and 249,772.68 is: 374,235.42
Step by Step Solution
- Step 1: Write the proportion equation
407,874.96 : 611,120.70 = 249,772.68 : x - Step 2: Convert to fraction form
407,874.96/611,120.70 = 249,772.68/x - Step 3: Cross multiply
407,874.96x = 611,120.70 × 249,772.68 - Step 4: Simplify right side
407,874.96x = 152,641,255,042.48 - Step 5: Solve for x
x = 152,641,255,042.48/407,874.96 - Step 6: Final answer
x = 374,235.42
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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.