Finding the Fourth Proportional to 178,920.29, 246,807.05 and 107,258.68
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Solution
The fourth proportional to 178,920.29, 246,807.05 and 107,258.68 is: 147,955.26
Step by Step Solution
- Step 1: Write the proportion equation
178,920.29 : 246,807.05 = 107,258.68 : x - Step 2: Convert to fraction form
178,920.29/246,807.05 = 107,258.68/x - Step 3: Cross multiply
178,920.29x = 246,807.05 × 107,258.68 - Step 4: Simplify right side
178,920.29x = 26,472,198,773.24 - Step 5: Solve for x
x = 26,472,198,773.24/178,920.29 - Step 6: Final answer
x = 147,955.26
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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.