Finding the Fourth Proportional to 115,808.58, 173,612.88 and 44,780.94
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Solution
The fourth proportional to 115,808.58, 173,612.88 and 44,780.94 is: 67,132.75
Step by Step Solution
- Step 1: Write the proportion equation
115,808.58 : 173,612.88 = 44,780.94 : x - Step 2: Convert to fraction form
115,808.58/173,612.88 = 44,780.94/x - Step 3: Cross multiply
115,808.58x = 173,612.88 × 44,780.94 - Step 4: Simplify right side
115,808.58x = 7,774,547,962.51 - Step 5: Solve for x
x = 7,774,547,962.51/115,808.58 - Step 6: Final answer
x = 67,132.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.