Finding the Fourth Proportional to 178,222.96, 245,943.87 and 97,648.75
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Solution
The fourth proportional to 178,222.96, 245,943.87 and 97,648.75 is: 134,753.19
Step by Step Solution
- Step 1: Write the proportion equation
178,222.96 : 245,943.87 = 97,648.75 : x - Step 2: Convert to fraction form
178,222.96/245,943.87 = 97,648.75/x - Step 3: Cross multiply
178,222.96x = 245,943.87 × 97,648.75 - Step 4: Simplify right side
178,222.96x = 24,016,112,037.41 - Step 5: Solve for x
x = 24,016,112,037.41/178,222.96 - Step 6: Final answer
x = 134,753.19
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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.