Finding the Fourth Proportional to 538,471.23, 743,095.35 and 296,762.49
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Solution
The fourth proportional to 538,471.23, 743,095.35 and 296,762.49 is: 409,535.02
Step by Step Solution
- Step 1: Write the proportion equation
538,471.23 : 743,095.35 = 296,762.49 : x - Step 2: Convert to fraction form
538,471.23/743,095.35 = 296,762.49/x - Step 3: Cross multiply
538,471.23x = 743,095.35 × 296,762.49 - Step 4: Simplify right side
538,471.23x = 220,522,826,373.42 - Step 5: Solve for x
x = 220,522,826,373.42/538,471.23 - Step 6: Final answer
x = 409,535.02
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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.