Finding the Fourth Proportional to 540,161.14, 745,430.20 and 298,449.28
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Solution
The fourth proportional to 540,161.14, 745,430.20 and 298,449.28 is: 411,864.33
Step by Step Solution
- Step 1: Write the proportion equation
540,161.14 : 745,430.20 = 298,449.28 : x - Step 2: Convert to fraction form
540,161.14/745,430.20 = 298,449.28/x - Step 3: Cross multiply
540,161.14x = 745,430.20 × 298,449.28 - Step 4: Simplify right side
540,161.14x = 222,473,106,480.26 - Step 5: Solve for x
x = 222,473,106,480.26/540,161.14 - Step 6: Final answer
x = 411,864.33
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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.