Finding the Fourth Proportional to 457,952.40, 632,287.08 and 286,131.96
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Solution
The fourth proportional to 457,952.40, 632,287.08 and 286,131.96 is: 395,057.52
Step by Step Solution
- Step 1: Write the proportion equation
457,952.40 : 632,287.08 = 286,131.96 : x - Step 2: Convert to fraction form
457,952.40/632,287.08 = 286,131.96/x - Step 3: Cross multiply
457,952.40x = 632,287.08 × 286,131.96 - Step 4: Simplify right side
457,952.40x = 180,917,541,483.08 - Step 5: Solve for x
x = 180,917,541,483.08/457,952.40 - Step 6: Final answer
x = 395,057.52
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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.