Finding the Fourth Proportional to 135,442.08, 203,160.96 and 36,946.08
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Solution
The fourth proportional to 135,442.08, 203,160.96 and 36,946.08 is: 55,418.53
Step by Step Solution
- Step 1: Write the proportion equation
135,442.08 : 203,160.96 = 36,946.08 : x - Step 2: Convert to fraction form
135,442.08/203,160.96 = 36,946.08/x - Step 3: Cross multiply
135,442.08x = 203,160.96 × 36,946.08 - Step 4: Simplify right side
135,442.08x = 7,506,001,081.04 - Step 5: Solve for x
x = 7,506,001,081.04/135,442.08 - Step 6: Final answer
x = 55,418.53
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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.