Finding the Fourth Proportional to 230,912.80, 318,879.74 and 218,332.77
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Solution
The fourth proportional to 230,912.80, 318,879.74 and 218,332.77 is: 301,507.31
Step by Step Solution
- Step 1: Write the proportion equation
230,912.80 : 318,879.74 = 218,332.77 : x - Step 2: Convert to fraction form
230,912.80/318,879.74 = 218,332.77/x - Step 3: Cross multiply
230,912.80x = 318,879.74 × 218,332.77 - Step 4: Simplify right side
230,912.80x = 69,621,896,931.08 - Step 5: Solve for x
x = 69,621,896,931.08/230,912.80 - Step 6: Final answer
x = 301,507.31
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.