Finding the Fourth Proportional to 442,421.09, 610,592.93 and 251,463.18
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Solution
The fourth proportional to 442,421.09, 610,592.93 and 251,463.18 is: 347,048.65
Step by Step Solution
- Step 1: Write the proportion equation
442,421.09 : 610,592.93 = 251,463.18 : x - Step 2: Convert to fraction form
442,421.09/610,592.93 = 251,463.18/x - Step 3: Cross multiply
442,421.09x = 610,592.93 × 251,463.18 - Step 4: Simplify right side
442,421.09x = 153,541,643,253.19 - Step 5: Solve for x
x = 153,541,643,253.19/442,421.09 - Step 6: Final answer
x = 347,048.65
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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.