Finding the Fourth Proportional to 369,743.06, 554,614.62 and 120,425.06
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Solution
The fourth proportional to 369,743.06, 554,614.62 and 120,425.06 is: 180,637.60
Step by Step Solution
- Step 1: Write the proportion equation
369,743.06 : 554,614.62 = 120,425.06 : x - Step 2: Convert to fraction form
369,743.06/554,614.62 = 120,425.06/x - Step 3: Cross multiply
369,743.06x = 554,614.62 × 120,425.06 - Step 4: Simplify right side
369,743.06x = 66,789,498,890.38 - Step 5: Solve for x
x = 66,789,498,890.38/369,743.06 - Step 6: Final answer
x = 180,637.60
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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.