Finding the Fourth Proportional to 158,181.12, 218,246.40 and 94,495.68
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Solution
The fourth proportional to 158,181.12, 218,246.40 and 94,495.68 is: 130,378.02
Step by Step Solution
- Step 1: Write the proportion equation
158,181.12 : 218,246.40 = 94,495.68 : x - Step 2: Convert to fraction form
158,181.12/218,246.40 = 94,495.68/x - Step 3: Cross multiply
158,181.12x = 218,246.40 × 94,495.68 - Step 4: Simplify right side
158,181.12x = 20,623,341,975.55 - Step 5: Solve for x
x = 20,623,341,975.55/158,181.12 - Step 6: Final answer
x = 130,378.02
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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.