Finding the Fourth Proportional to 419,513.16, 578,884.99 and 235,722.54
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Solution
The fourth proportional to 419,513.16, 578,884.99 and 235,722.54 is: 325,272.85
Step by Step Solution
- Step 1: Write the proportion equation
419,513.16 : 578,884.99 = 235,722.54 : x - Step 2: Convert to fraction form
419,513.16/578,884.99 = 235,722.54/x - Step 3: Cross multiply
419,513.16x = 578,884.99 × 235,722.54 - Step 4: Simplify right side
419,513.16x = 136,456,240,210.68 - Step 5: Solve for x
x = 136,456,240,210.68/419,513.16 - Step 6: Final answer
x = 325,272.85
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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.