Finding the Fourth Proportional to 547,037.88, 754,902.36 and 305,316.06
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Solution
The fourth proportional to 547,037.88, 754,902.36 and 305,316.06 is: 421,330.63
Step by Step Solution
- Step 1: Write the proportion equation
547,037.88 : 754,902.36 = 305,316.06 : x - Step 2: Convert to fraction form
547,037.88/754,902.36 = 305,316.06/x - Step 3: Cross multiply
547,037.88x = 754,902.36 × 305,316.06 - Step 4: Simplify right side
547,037.88x = 230,483,814,239.90 - Step 5: Solve for x
x = 230,483,814,239.90/547,037.88 - Step 6: Final answer
x = 421,330.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.