Finding the Fourth Proportional to 572,151.05, 858,226.58 and 320,208.65
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Solution
The fourth proportional to 572,151.05, 858,226.58 and 320,208.65 is: 480,312.98
Step by Step Solution
- Step 1: Write the proportion equation
572,151.05 : 858,226.58 = 320,208.65 : x - Step 2: Convert to fraction form
572,151.05/858,226.58 = 320,208.65/x - Step 3: Cross multiply
572,151.05x = 858,226.58 × 320,208.65 - Step 4: Simplify right side
572,151.05x = 274,811,572,974.87 - Step 5: Solve for x
x = 274,811,572,974.87/572,151.05 - Step 6: Final answer
x = 480,312.98
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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.