Finding the Fourth Proportional to 369,506.15, 554,013.12 and 132,818.08
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Solution
The fourth proportional to 369,506.15, 554,013.12 and 132,818.08 is: 199,138.65
Step by Step Solution
- Step 1: Write the proportion equation
369,506.15 : 554,013.12 = 132,818.08 : x - Step 2: Convert to fraction form
369,506.15/554,013.12 = 132,818.08/x - Step 3: Cross multiply
369,506.15x = 554,013.12 × 132,818.08 - Step 4: Simplify right side
369,506.15x = 73,582,958,297.92 - Step 5: Solve for x
x = 73,582,958,297.92/369,506.15 - Step 6: Final answer
x = 199,138.65
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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.