Finding the Fourth Proportional to 225,471.52, 338,259.12 and 67,702.96
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Solution
The fourth proportional to 225,471.52, 338,259.12 and 67,702.96 is: 101,570.01
Step by Step Solution
- Step 1: Write the proportion equation
225,471.52 : 338,259.12 = 67,702.96 : x - Step 2: Convert to fraction form
225,471.52/338,259.12 = 67,702.96/x - Step 3: Cross multiply
225,471.52x = 338,259.12 × 67,702.96 - Step 4: Simplify right side
225,471.52x = 22,901,143,671.00 - Step 5: Solve for x
x = 22,901,143,671.00/225,471.52 - Step 6: Final answer
x = 101,570.01
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.