Finding the Fourth Proportional to 352,134.40, 528,225.92 and 141,772.80
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Solution
The fourth proportional to 352,134.40, 528,225.92 and 141,772.80 is: 212,668.99
Step by Step Solution
- Step 1: Write the proportion equation
352,134.40 : 528,225.92 = 141,772.80 : x - Step 2: Convert to fraction form
352,134.40/528,225.92 = 141,772.80/x - Step 3: Cross multiply
352,134.40x = 528,225.92 × 141,772.80 - Step 4: Simplify right side
352,134.40x = 74,888,067,710.98 - Step 5: Solve for x
x = 74,888,067,710.98/352,134.40 - Step 6: Final answer
x = 212,668.99
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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.