Finding the Fourth Proportional to 178,757.66, 246,845.69 and 133,356.79
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Solution
The fourth proportional to 178,757.66, 246,845.69 and 133,356.79 is: 184,151.82
Step by Step Solution
- Step 1: Write the proportion equation
178,757.66 : 246,845.69 = 133,356.79 : x - Step 2: Convert to fraction form
178,757.66/246,845.69 = 133,356.79/x - Step 3: Cross multiply
178,757.66x = 246,845.69 × 133,356.79 - Step 4: Simplify right side
178,757.66x = 32,918,547,559.84 - Step 5: Solve for x
x = 32,918,547,559.84/178,757.66 - Step 6: Final answer
x = 184,151.82
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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.