Finding the Fourth Proportional to 146,590.07, 202,460.04 and 98,760.38
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Solution
The fourth proportional to 146,590.07, 202,460.04 and 98,760.38 is: 136,400.99
Step by Step Solution
- Step 1: Write the proportion equation
146,590.07 : 202,460.04 = 98,760.38 : x - Step 2: Convert to fraction form
146,590.07/202,460.04 = 98,760.38/x - Step 3: Cross multiply
146,590.07x = 202,460.04 × 98,760.38 - Step 4: Simplify right side
146,590.07x = 19,995,030,485.22 - Step 5: Solve for x
x = 19,995,030,485.22/146,590.07 - Step 6: Final answer
x = 136,400.99
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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.