Finding the Fourth Proportional to 314,068.11, 433,423.67 and 178,107.63
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Solution
The fourth proportional to 314,068.11, 433,423.67 and 178,107.63 is: 245,794.02
Step by Step Solution
- Step 1: Write the proportion equation
314,068.11 : 433,423.67 = 178,107.63 : x - Step 2: Convert to fraction form
314,068.11/433,423.67 = 178,107.63/x - Step 3: Cross multiply
314,068.11x = 433,423.67 × 178,107.63 - Step 4: Simplify right side
314,068.11x = 77,196,061,759.06 - Step 5: Solve for x
x = 77,196,061,759.06/314,068.11 - Step 6: Final answer
x = 245,794.02
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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.