Finding the Fourth Proportional to 342,033.18, 471,998.79 and 186,982.17
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Solution
The fourth proportional to 342,033.18, 471,998.79 and 186,982.17 is: 258,031.57
Step by Step Solution
- Step 1: Write the proportion equation
342,033.18 : 471,998.79 = 186,982.17 : x - Step 2: Convert to fraction form
342,033.18/471,998.79 = 186,982.17/x - Step 3: Cross multiply
342,033.18x = 471,998.79 × 186,982.17 - Step 4: Simplify right side
342,033.18x = 88,255,357,991.57 - Step 5: Solve for x
x = 88,255,357,991.57/342,033.18 - Step 6: Final answer
x = 258,031.57
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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.