Finding the Fourth Proportional to 387,823.20, 581,733.72 and 121,584.84
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Solution
The fourth proportional to 387,823.20, 581,733.72 and 121,584.84 is: 182,376.92
Step by Step Solution
- Step 1: Write the proportion equation
387,823.20 : 581,733.72 = 121,584.84 : x - Step 2: Convert to fraction form
387,823.20/581,733.72 = 121,584.84/x - Step 3: Cross multiply
387,823.20x = 581,733.72 × 121,584.84 - Step 4: Simplify right side
387,823.20x = 70,730,001,268.80 - Step 5: Solve for x
x = 70,730,001,268.80/387,823.20 - Step 6: Final answer
x = 182,376.92
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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.