Finding the Fourth Proportional to 178,114.74, 245,799.12 and 97,542.82
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Solution
The fourth proportional to 178,114.74, 245,799.12 and 97,542.82 is: 134,609.52
Step by Step Solution
- Step 1: Write the proportion equation
178,114.74 : 245,799.12 = 97,542.82 : x - Step 2: Convert to fraction form
178,114.74/245,799.12 = 97,542.82/x - Step 3: Cross multiply
178,114.74x = 245,799.12 × 97,542.82 - Step 4: Simplify right side
178,114.74x = 23,975,939,318.32 - Step 5: Solve for x
x = 23,975,939,318.32/178,114.74 - Step 6: Final answer
x = 134,609.52
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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.