Finding the Fourth Proportional to 442,214.40, 661,790.70 and 264,848.70
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Solution
The fourth proportional to 442,214.40, 661,790.70 and 264,848.70 is: 396,356.17
Step by Step Solution
- Step 1: Write the proportion equation
442,214.40 : 661,790.70 = 264,848.70 : x - Step 2: Convert to fraction form
442,214.40/661,790.70 = 264,848.70/x - Step 3: Cross multiply
442,214.40x = 661,790.70 × 264,848.70 - Step 4: Simplify right side
442,214.40x = 175,274,406,567.09 - Step 5: Solve for x
x = 175,274,406,567.09/442,214.40 - Step 6: Final answer
x = 396,356.17
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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.