Finding the Fourth Proportional to 834,071.34, 1,251,107.14 and 202,985.15
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Solution
The fourth proportional to 834,071.34, 1,251,107.14 and 202,985.15 is: 304,477.76
Step by Step Solution
- Step 1: Write the proportion equation
834,071.34 : 1,251,107.14 = 202,985.15 : x - Step 2: Convert to fraction form
834,071.34/1,251,107.14 = 202,985.15/x - Step 3: Cross multiply
834,071.34x = 1,251,107.14 × 202,985.15 - Step 4: Simplify right side
834,071.34x = 253,956,170,478.97 - Step 5: Solve for x
x = 253,956,170,478.97/834,071.34 - Step 6: Final answer
x = 304,477.76
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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.