Finding the Fourth Proportional to 178,878.24, 246,798.08 and 107,232.12
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Solution
The fourth proportional to 178,878.24, 246,798.08 and 107,232.12 is: 147,948.02
Step by Step Solution
- Step 1: Write the proportion equation
178,878.24 : 246,798.08 = 107,232.12 : x - Step 2: Convert to fraction form
178,878.24/246,798.08 = 107,232.12/x - Step 3: Cross multiply
178,878.24x = 246,798.08 × 107,232.12 - Step 4: Simplify right side
178,878.24x = 26,464,681,330.33 - Step 5: Solve for x
x = 26,464,681,330.33/178,878.24 - Step 6: Final answer
x = 147,948.02
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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.