Finding the Fourth Proportional to 314,283.84, 433,734.84 and 178,341.12
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Solution
The fourth proportional to 314,283.84, 433,734.84 and 178,341.12 is: 246,123.88
Step by Step Solution
- Step 1: Write the proportion equation
314,283.84 : 433,734.84 = 178,341.12 : x - Step 2: Convert to fraction form
314,283.84/433,734.84 = 178,341.12/x - Step 3: Cross multiply
314,283.84x = 433,734.84 × 178,341.12 - Step 4: Simplify right side
314,283.84x = 77,352,757,148.62 - Step 5: Solve for x
x = 77,352,757,148.62/314,283.84 - Step 6: Final answer
x = 246,123.88
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1.5x scale
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.