Finding the Fourth Proportional to 430,518.87, 645,752.05 and 160,594.88
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Solution
The fourth proportional to 430,518.87, 645,752.05 and 160,594.88 is: 240,882.52
Step by Step Solution
- Step 1: Write the proportion equation
430,518.87 : 645,752.05 = 160,594.88 : x - Step 2: Convert to fraction form
430,518.87/645,752.05 = 160,594.88/x - Step 3: Cross multiply
430,518.87x = 645,752.05 × 160,594.88 - Step 4: Simplify right side
430,518.87x = 103,704,469,349.26 - Step 5: Solve for x
x = 103,704,469,349.26/430,518.87 - Step 6: Final answer
x = 240,882.52
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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.