Finding the Fourth Proportional to 364,139.12, 502,512.04 and 202,990.70
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Solution
The fourth proportional to 364,139.12, 502,512.04 and 202,990.70 is: 280,127.20
Step by Step Solution
- Step 1: Write the proportion equation
364,139.12 : 502,512.04 = 202,990.70 : x - Step 2: Convert to fraction form
364,139.12/502,512.04 = 202,990.70/x - Step 3: Cross multiply
364,139.12x = 502,512.04 × 202,990.70 - Step 4: Simplify right side
364,139.12x = 102,005,270,758.03 - Step 5: Solve for x
x = 102,005,270,758.03/364,139.12 - Step 6: Final answer
x = 280,127.20
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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.