Finding the Fourth Proportional to 292,118.56, 438,173.26 and 149,881.75
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Solution
The fourth proportional to 292,118.56, 438,173.26 and 149,881.75 is: 224,820.28
Step by Step Solution
- Step 1: Write the proportion equation
292,118.56 : 438,173.26 = 149,881.75 : x - Step 2: Convert to fraction form
292,118.56/438,173.26 = 149,881.75/x - Step 3: Cross multiply
292,118.56x = 438,173.26 × 149,881.75 - Step 4: Simplify right side
292,118.56x = 65,674,175,012.01 - Step 5: Solve for x
x = 65,674,175,012.01/292,118.56 - Step 6: Final answer
x = 224,820.28
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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.