Finding the Fourth Proportional to 402,640.68, 603,518.14 and 165,854.19
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Solution
The fourth proportional to 402,640.68, 603,518.14 and 165,854.19 is: 248,598.86
Step by Step Solution
- Step 1: Write the proportion equation
402,640.68 : 603,518.14 = 165,854.19 : x - Step 2: Convert to fraction form
402,640.68/603,518.14 = 165,854.19/x - Step 3: Cross multiply
402,640.68x = 603,518.14 × 165,854.19 - Step 4: Simplify right side
402,640.68x = 100,096,012,260.01 - Step 5: Solve for x
x = 100,096,012,260.01/402,640.68 - Step 6: Final answer
x = 248,598.86
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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.