Finding the Fourth Proportional to 239,501.80, 359,252.70 and 81,677.80
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Solution
The fourth proportional to 239,501.80, 359,252.70 and 81,677.80 is: 122,516.70
Step by Step Solution
- Step 1: Write the proportion equation
239,501.80 : 359,252.70 = 81,677.80 : x - Step 2: Convert to fraction form
239,501.80/359,252.70 = 81,677.80/x - Step 3: Cross multiply
239,501.80x = 359,252.70 × 81,677.80 - Step 4: Simplify right side
239,501.80x = 29,342,970,180.06 - Step 5: Solve for x
x = 29,342,970,180.06/239,501.80 - Step 6: Final answer
x = 122,516.70
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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.