Finding the Fourth Proportional to 203,905.68, 305,513.40 and 124,854.84
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Solution
The fourth proportional to 203,905.68, 305,513.40 and 124,854.84 is: 187,070.94
Step by Step Solution
- Step 1: Write the proportion equation
203,905.68 : 305,513.40 = 124,854.84 : x - Step 2: Convert to fraction form
203,905.68/305,513.40 = 124,854.84/x - Step 3: Cross multiply
203,905.68x = 305,513.40 × 124,854.84 - Step 4: Simplify right side
203,905.68x = 38,144,826,674.86 - Step 5: Solve for x
x = 38,144,826,674.86/203,905.68 - Step 6: Final answer
x = 187,070.94
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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.