Finding the Fourth Proportional to 146,314.08, 201,914.40 and 79,246.08
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Solution
The fourth proportional to 146,314.08, 201,914.40 and 79,246.08 is: 109,360.12
Step by Step Solution
- Step 1: Write the proportion equation
146,314.08 : 201,914.40 = 79,246.08 : x - Step 2: Convert to fraction form
146,314.08/201,914.40 = 79,246.08/x - Step 3: Cross multiply
146,314.08x = 201,914.40 × 79,246.08 - Step 4: Simplify right side
146,314.08x = 16,000,924,695.55 - Step 5: Solve for x
x = 16,000,924,695.55/146,314.08 - Step 6: Final answer
x = 109,360.12
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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.