Finding the Fourth Proportional to 442,631.76, 610,790.80 and 251,607.84
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Solution
The fourth proportional to 442,631.76, 610,790.80 and 251,607.84 is: 347,195.50
Step by Step Solution
- Step 1: Write the proportion equation
442,631.76 : 610,790.80 = 251,607.84 : x - Step 2: Convert to fraction form
442,631.76/610,790.80 = 251,607.84/x - Step 3: Cross multiply
442,631.76x = 610,790.80 × 251,607.84 - Step 4: Simplify right side
442,631.76x = 153,679,753,879.87 - Step 5: Solve for x
x = 153,679,753,879.87/442,631.76 - Step 6: Final answer
x = 347,195.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.