Finding the Fourth Proportional to 260,415.97, 390,623.62 and 171,023.03
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Solution
The fourth proportional to 260,415.97, 390,623.62 and 171,023.03 is: 256,534.32
Step by Step Solution
- Step 1: Write the proportion equation
260,415.97 : 390,623.62 = 171,023.03 : x - Step 2: Convert to fraction form
260,415.97/390,623.62 = 171,023.03/x - Step 3: Cross multiply
260,415.97x = 390,623.62 × 171,023.03 - Step 4: Simplify right side
260,415.97x = 66,805,635,081.97 - Step 5: Solve for x
x = 66,805,635,081.97/260,415.97 - Step 6: Final answer
x = 256,534.32
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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.