Finding the Fourth Proportional to 322,312.38, 483,468.57 and 122,586.63
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Solution
The fourth proportional to 322,312.38, 483,468.57 and 122,586.63 is: 183,879.95
Step by Step Solution
- Step 1: Write the proportion equation
322,312.38 : 483,468.57 = 122,586.63 : x - Step 2: Convert to fraction form
322,312.38/483,468.57 = 122,586.63/x - Step 3: Cross multiply
322,312.38x = 483,468.57 × 122,586.63 - Step 4: Simplify right side
322,312.38x = 59,266,782,707.22 - Step 5: Solve for x
x = 59,266,782,707.22/322,312.38 - Step 6: Final answer
x = 183,879.95
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1.5x scale
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.