Finding the Fourth Proportional to 470,860.80, 705,124.80 and 302,121.60
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Solution
The fourth proportional to 470,860.80, 705,124.80 and 302,121.60 is: 452,433.99
Step by Step Solution
- Step 1: Write the proportion equation
470,860.80 : 705,124.80 = 302,121.60 : x - Step 2: Convert to fraction form
470,860.80/705,124.80 = 302,121.60/x - Step 3: Cross multiply
470,860.80x = 705,124.80 × 302,121.60 - Step 4: Simplify right side
470,860.80x = 213,033,432,775.68 - Step 5: Solve for x
x = 213,033,432,775.68/470,860.80 - Step 6: Final answer
x = 452,433.99
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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.