Finding the Fourth Proportional to 389,053.08, 537,027.18 and 227,960.28
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Solution
The fourth proportional to 389,053.08, 537,027.18 and 227,960.28 is: 314,663.66
Step by Step Solution
- Step 1: Write the proportion equation
389,053.08 : 537,027.18 = 227,960.28 : x - Step 2: Convert to fraction form
389,053.08/537,027.18 = 227,960.28/x - Step 3: Cross multiply
389,053.08x = 537,027.18 × 227,960.28 - Step 4: Simplify right side
389,053.08x = 122,420,866,320.41 - Step 5: Solve for x
x = 122,420,866,320.41/389,053.08 - Step 6: Final answer
x = 314,663.66
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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.