Finding the Fourth Proportional to 141,885.12, 212,827.68 and 48,391.68
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Solution
The fourth proportional to 141,885.12, 212,827.68 and 48,391.68 is: 72,587.52
Step by Step Solution
- Step 1: Write the proportion equation
141,885.12 : 212,827.68 = 48,391.68 : x - Step 2: Convert to fraction form
141,885.12/212,827.68 = 48,391.68/x - Step 3: Cross multiply
141,885.12x = 212,827.68 × 48,391.68 - Step 4: Simplify right side
141,885.12x = 10,299,088,985.70 - Step 5: Solve for x
x = 10,299,088,985.70/141,885.12 - Step 6: Final answer
x = 72,587.52
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1.5x scale
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.