Finding the Fourth Proportional to 657,625.80, 986,438.70 and 236,749.80
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Solution
The fourth proportional to 657,625.80, 986,438.70 and 236,749.80 is: 355,124.70
Step by Step Solution
- Step 1: Write the proportion equation
657,625.80 : 986,438.70 = 236,749.80 : x - Step 2: Convert to fraction form
657,625.80/986,438.70 = 236,749.80/x - Step 3: Cross multiply
657,625.80x = 986,438.70 × 236,749.80 - Step 4: Simplify right side
657,625.80x = 233,539,164,937.26 - Step 5: Solve for x
x = 233,539,164,937.26/657,625.80 - Step 6: Final answer
x = 355,124.70
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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.