Finding the Fourth Proportional to 352,124.80, 528,187.20 and 174,659.20
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Solution
The fourth proportional to 352,124.80, 528,187.20 and 174,659.20 is: 261,988.80
Step by Step Solution
- Step 1: Write the proportion equation
352,124.80 : 528,187.20 = 174,659.20 : x - Step 2: Convert to fraction form
352,124.80/528,187.20 = 174,659.20/x - Step 3: Cross multiply
352,124.80x = 528,187.20 × 174,659.20 - Step 4: Simplify right side
352,124.80x = 92,252,753,802.24 - Step 5: Solve for x
x = 92,252,753,802.24/352,124.80 - Step 6: Final answer
x = 261,988.80
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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.