Finding the Fourth Proportional to 514,622.88, 710,171.28 and 288,267.68
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Solution
The fourth proportional to 514,622.88, 710,171.28 and 288,267.68 is: 397,804.75
Step by Step Solution
- Step 1: Write the proportion equation
514,622.88 : 710,171.28 = 288,267.68 : x - Step 2: Convert to fraction form
514,622.88/710,171.28 = 288,267.68/x - Step 3: Cross multiply
514,622.88x = 710,171.28 × 288,267.68 - Step 4: Simplify right side
514,622.88x = 204,719,427,288.23 - Step 5: Solve for x
x = 204,719,427,288.23/514,622.88 - Step 6: Final answer
x = 397,804.75
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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.