Finding the Fourth Proportional to 173,442.88, 239,355.84 and 97,989.76
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Solution
The fourth proportional to 173,442.88, 239,355.84 and 97,989.76 is: 135,228.50
Step by Step Solution
- Step 1: Write the proportion equation
173,442.88 : 239,355.84 = 97,989.76 : x - Step 2: Convert to fraction form
173,442.88/239,355.84 = 97,989.76/x - Step 3: Cross multiply
173,442.88x = 239,355.84 × 97,989.76 - Step 4: Simplify right side
173,442.88x = 23,454,421,316.20 - Step 5: Solve for x
x = 23,454,421,316.20/173,442.88 - Step 6: Final answer
x = 135,228.50
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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.