Finding the Fourth Proportional to 98,743.80, 148,115.70 and 24,871.80
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Solution
The fourth proportional to 98,743.80, 148,115.70 and 24,871.80 is: 37,307.70
Step by Step Solution
- Step 1: Write the proportion equation
98,743.80 : 148,115.70 = 24,871.80 : x - Step 2: Convert to fraction form
98,743.80/148,115.70 = 24,871.80/x - Step 3: Cross multiply
98,743.80x = 148,115.70 × 24,871.80 - Step 4: Simplify right side
98,743.80x = 3,683,904,067.26 - Step 5: Solve for x
x = 3,683,904,067.26/98,743.80 - Step 6: Final answer
x = 37,307.70
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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.