Finding the Fourth Proportional to 495,595.68, 743,421.76 and 140,581.92
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Solution
The fourth proportional to 495,595.68, 743,421.76 and 140,581.92 is: 210,880.89
Step by Step Solution
- Step 1: Write the proportion equation
495,595.68 : 743,421.76 = 140,581.92 : x - Step 2: Convert to fraction form
495,595.68/743,421.76 = 140,581.92/x - Step 3: Cross multiply
495,595.68x = 743,421.76 × 140,581.92 - Step 4: Simplify right side
495,595.68x = 104,511,658,390.58 - Step 5: Solve for x
x = 104,511,658,390.58/495,595.68 - Step 6: Final answer
x = 210,880.89
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.