Finding the Fourth Proportional to 359,841.62, 539,762.35 and 107,125.80
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Solution
The fourth proportional to 359,841.62, 539,762.35 and 107,125.80 is: 160,688.68
Step by Step Solution
- Step 1: Write the proportion equation
359,841.62 : 539,762.35 = 107,125.80 : x - Step 2: Convert to fraction form
359,841.62/539,762.35 = 107,125.80/x - Step 3: Cross multiply
359,841.62x = 539,762.35 × 107,125.80 - Step 4: Simplify right side
359,841.62x = 57,822,473,553.63 - Step 5: Solve for x
x = 57,822,473,553.63/359,841.62 - Step 6: Final answer
x = 160,688.68
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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.