Finding the Fourth Proportional to 292,220.20, 438,297.90 and 239,537.80
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Solution
The fourth proportional to 292,220.20, 438,297.90 and 239,537.80 is: 359,280.14
Step by Step Solution
- Step 1: Write the proportion equation
292,220.20 : 438,297.90 = 239,537.80 : x - Step 2: Convert to fraction form
292,220.20/438,297.90 = 239,537.80/x - Step 3: Cross multiply
292,220.20x = 438,297.90 × 239,537.80 - Step 4: Simplify right side
292,220.20x = 104,988,914,710.62 - Step 5: Solve for x
x = 104,988,914,710.62/292,220.20 - Step 6: Final answer
x = 359,280.14
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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.