Finding the Fourth Proportional to 384,347.70, 576,521.55 and 163,163.70
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Solution
The fourth proportional to 384,347.70, 576,521.55 and 163,163.70 is: 244,745.55
Step by Step Solution
- Step 1: Write the proportion equation
384,347.70 : 576,521.55 = 163,163.70 : x - Step 2: Convert to fraction form
384,347.70/576,521.55 = 163,163.70/x - Step 3: Cross multiply
384,347.70x = 576,521.55 × 163,163.70 - Step 4: Simplify right side
384,347.70x = 94,067,389,227.74 - Step 5: Solve for x
x = 94,067,389,227.74/384,347.70 - Step 6: Final answer
x = 244,745.55
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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.