Finding the Fourth Proportional to 205,331.28, 283,348.70 and 114,686.82
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Solution
The fourth proportional to 205,331.28, 283,348.70 and 114,686.82 is: 158,263.08
Step by Step Solution
- Step 1: Write the proportion equation
205,331.28 : 283,348.70 = 114,686.82 : x - Step 2: Convert to fraction form
205,331.28/283,348.70 = 114,686.82/x - Step 3: Cross multiply
205,331.28x = 283,348.70 × 114,686.82 - Step 4: Simplify right side
205,331.28x = 32,496,361,354.13 - Step 5: Solve for x
x = 32,496,361,354.13/205,331.28 - Step 6: Final answer
x = 158,263.08
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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.