Finding the Fourth Proportional to 158,679.24, 238,019.68 and 53,499.12
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Solution
The fourth proportional to 158,679.24, 238,019.68 and 53,499.12 is: 80,248.95
Step by Step Solution
- Step 1: Write the proportion equation
158,679.24 : 238,019.68 = 53,499.12 : x - Step 2: Convert to fraction form
158,679.24/238,019.68 = 53,499.12/x - Step 3: Cross multiply
158,679.24x = 238,019.68 × 53,499.12 - Step 4: Simplify right side
158,679.24x = 12,733,843,155.19 - Step 5: Solve for x
x = 12,733,843,155.19/158,679.24 - Step 6: Final answer
x = 80,248.95
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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.