Finding the Fourth Proportional to 442,679.71, 610,836.37 and 251,671.99
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Solution
The fourth proportional to 442,679.71, 610,836.37 and 251,671.99 is: 347,272.31
Step by Step Solution
- Step 1: Write the proportion equation
442,679.71 : 610,836.37 = 251,671.99 : x - Step 2: Convert to fraction form
442,679.71/610,836.37 = 251,671.99/x - Step 3: Cross multiply
442,679.71x = 610,836.37 × 251,671.99 - Step 4: Simplify right side
442,679.71x = 153,730,404,802.28 - Step 5: Solve for x
x = 153,730,404,802.28/442,679.71 - Step 6: Final answer
x = 347,272.31
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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.