Finding the Fourth Proportional to 243,528.72, 365,121.36 and 93,643.08
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Solution
The fourth proportional to 243,528.72, 365,121.36 and 93,643.08 is: 140,398.59
Step by Step Solution
- Step 1: Write the proportion equation
243,528.72 : 365,121.36 = 93,643.08 : x - Step 2: Convert to fraction form
243,528.72/365,121.36 = 93,643.08/x - Step 3: Cross multiply
243,528.72x = 365,121.36 × 93,643.08 - Step 4: Simplify right side
243,528.72x = 34,191,088,724.19 - Step 5: Solve for x
x = 34,191,088,724.19/243,528.72 - Step 6: Final answer
x = 140,398.59
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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.