Finding the Fourth Proportional to 178,356.15, 246,130.52 and 97,787.07
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Solution
The fourth proportional to 178,356.15, 246,130.52 and 97,787.07 is: 134,945.62
Step by Step Solution
- Step 1: Write the proportion equation
178,356.15 : 246,130.52 = 97,787.07 : x - Step 2: Convert to fraction form
178,356.15/246,130.52 = 97,787.07/x - Step 3: Cross multiply
178,356.15x = 246,130.52 × 97,787.07 - Step 4: Simplify right side
178,356.15x = 24,068,381,899.44 - Step 5: Solve for x
x = 24,068,381,899.44/178,356.15 - Step 6: Final answer
x = 134,945.62
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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.