Finding the Fourth Proportional to 386,562.12, 533,334.66 and 223,197.26
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Solution
The fourth proportional to 386,562.12, 533,334.66 and 223,197.26 is: 307,942.32
Step by Step Solution
- Step 1: Write the proportion equation
386,562.12 : 533,334.66 = 223,197.26 : x - Step 2: Convert to fraction form
386,562.12/533,334.66 = 223,197.26/x - Step 3: Cross multiply
386,562.12x = 533,334.66 × 223,197.26 - Step 4: Simplify right side
386,562.12x = 119,038,834,775.03 - Step 5: Solve for x
x = 119,038,834,775.03/386,562.12 - Step 6: Final answer
x = 307,942.32
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1.5x scale
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.