Finding the Fourth Proportional to 442,684.80, 662,652.69 and 239,776.97
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Solution
The fourth proportional to 442,684.80, 662,652.69 and 239,776.97 is: 358,920.95
Step by Step Solution
- Step 1: Write the proportion equation
442,684.80 : 662,652.69 = 239,776.97 : x - Step 2: Convert to fraction form
442,684.80/662,652.69 = 239,776.97/x - Step 3: Cross multiply
442,684.80x = 662,652.69 × 239,776.97 - Step 4: Simplify right side
442,684.80x = 158,888,850,857.29 - Step 5: Solve for x
x = 158,888,850,857.29/442,684.80 - Step 6: Final answer
x = 358,920.95
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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.