Finding the Fourth Proportional to 579,281.44, 868,922.84 and 242,137.62
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Solution
The fourth proportional to 579,281.44, 868,922.84 and 242,137.62 is: 363,206.71
Step by Step Solution
- Step 1: Write the proportion equation
579,281.44 : 868,922.84 = 242,137.62 : x - Step 2: Convert to fraction form
579,281.44/868,922.84 = 242,137.62/x - Step 3: Cross multiply
579,281.44x = 868,922.84 × 242,137.62 - Step 4: Simplify right side
579,281.44x = 210,398,908,441.24 - Step 5: Solve for x
x = 210,398,908,441.24/579,281.44 - Step 6: Final answer
x = 363,206.71
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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.