Finding the Fourth Proportional to 219,471.84, 302,955.12 and 134,704.08
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Solution
The fourth proportional to 219,471.84, 302,955.12 and 134,704.08 is: 185,943.17
Step by Step Solution
- Step 1: Write the proportion equation
219,471.84 : 302,955.12 = 134,704.08 : x - Step 2: Convert to fraction form
219,471.84/302,955.12 = 134,704.08/x - Step 3: Cross multiply
219,471.84x = 302,955.12 × 134,704.08 - Step 4: Simplify right side
219,471.84x = 40,809,290,720.89 - Step 5: Solve for x
x = 40,809,290,720.89/219,471.84 - Step 6: Final answer
x = 185,943.17
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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.