Finding the Fourth Proportional to 301,397.10, 452,542.05 and 168,542.70
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Solution
The fourth proportional to 301,397.10, 452,542.05 and 168,542.70 is: 253,063.68
Step by Step Solution
- Step 1: Write the proportion equation
301,397.10 : 452,542.05 = 168,542.70 : x - Step 2: Convert to fraction form
301,397.10/452,542.05 = 168,542.70/x - Step 3: Cross multiply
301,397.10x = 452,542.05 × 168,542.70 - Step 4: Simplify right side
301,397.10x = 76,272,658,970.54 - Step 5: Solve for x
x = 76,272,658,970.54/301,397.10 - Step 6: Final answer
x = 253,063.68
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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.