Finding the Fourth Proportional to 282,167.19, 389,395.49 and 154,854.63
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Solution
The fourth proportional to 282,167.19, 389,395.49 and 154,854.63 is: 213,702.00
Step by Step Solution
- Step 1: Write the proportion equation
282,167.19 : 389,395.49 = 154,854.63 : x - Step 2: Convert to fraction form
282,167.19/389,395.49 = 154,854.63/x - Step 3: Cross multiply
282,167.19x = 389,395.49 × 154,854.63 - Step 4: Simplify right side
282,167.19x = 60,299,693,753.35 - Step 5: Solve for x
x = 60,299,693,753.35/282,167.19 - Step 6: Final answer
x = 213,702.00
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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.