Finding the Fourth Proportional to 527,312.97, 790,968.18 and 127,953.39
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Solution
The fourth proportional to 527,312.97, 790,968.18 and 127,953.39 is: 191,929.78
Step by Step Solution
- Step 1: Write the proportion equation
527,312.97 : 790,968.18 = 127,953.39 : x - Step 2: Convert to fraction form
527,312.97/790,968.18 = 127,953.39/x - Step 3: Cross multiply
527,312.97x = 790,968.18 × 127,953.39 - Step 4: Simplify right side
527,312.97x = 101,207,060,013.13 - Step 5: Solve for x
x = 101,207,060,013.13/527,312.97 - Step 6: Final answer
x = 191,929.78
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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.