Finding the Fourth Proportional to 260,161.66, 390,268.50 and 70,625.08
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Solution
The fourth proportional to 260,161.66, 390,268.50 and 70,625.08 is: 105,944.68
Step by Step Solution
- Step 1: Write the proportion equation
260,161.66 : 390,268.50 = 70,625.08 : x - Step 2: Convert to fraction form
260,161.66/390,268.50 = 70,625.08/x - Step 3: Cross multiply
260,161.66x = 390,268.50 × 70,625.08 - Step 4: Simplify right side
260,161.66x = 27,562,744,033.98 - Step 5: Solve for x
x = 27,562,744,033.98/260,161.66 - Step 6: Final answer
x = 105,944.68
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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.