Finding the Fourth Proportional to 383,405.84, 573,854.52 and 282,176.72
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Solution
The fourth proportional to 383,405.84, 573,854.52 and 282,176.72 is: 422,341.99
Step by Step Solution
- Step 1: Write the proportion equation
383,405.84 : 573,854.52 = 282,176.72 : x - Step 2: Convert to fraction form
383,405.84/573,854.52 = 282,176.72/x - Step 3: Cross multiply
383,405.84x = 573,854.52 × 282,176.72 - Step 4: Simplify right side
383,405.84x = 161,928,386,210.77 - Step 5: Solve for x
x = 161,928,386,210.77/383,405.84 - Step 6: Final answer
x = 422,341.99
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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.