Finding the Fourth Proportional to 220,426.13, 304,194.35 and 134,390.09
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Solution
The fourth proportional to 220,426.13, 304,194.35 and 134,390.09 is: 185,462.16
Step by Step Solution
- Step 1: Write the proportion equation
220,426.13 : 304,194.35 = 134,390.09 : x - Step 2: Convert to fraction form
220,426.13/304,194.35 = 134,390.09/x - Step 3: Cross multiply
220,426.13x = 304,194.35 × 134,390.09 - Step 4: Simplify right side
220,426.13x = 40,880,706,073.99 - Step 5: Solve for x
x = 40,880,706,073.99/220,426.13 - Step 6: Final answer
x = 185,462.16
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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.