Finding the Fourth Proportional to 352,277.20, 528,415.80 and 115,562.80
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Solution
The fourth proportional to 352,277.20, 528,415.80 and 115,562.80 is: 173,344.20
Step by Step Solution
- Step 1: Write the proportion equation
352,277.20 : 528,415.80 = 115,562.80 : x - Step 2: Convert to fraction form
352,277.20/528,415.80 = 115,562.80/x - Step 3: Cross multiply
352,277.20x = 528,415.80 × 115,562.80 - Step 4: Simplify right side
352,277.20x = 61,065,209,412.24 - Step 5: Solve for x
x = 61,065,209,412.24/352,277.20 - Step 6: Final answer
x = 173,344.20
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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.