Finding the Fourth Proportional to 270,315.52, 373,020.35 and 149,449.75
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Solution
The fourth proportional to 270,315.52, 373,020.35 and 149,449.75 is: 206,232.32
Step by Step Solution
- Step 1: Write the proportion equation
270,315.52 : 373,020.35 = 149,449.75 : x - Step 2: Convert to fraction form
270,315.52/373,020.35 = 149,449.75/x - Step 3: Cross multiply
270,315.52x = 373,020.35 × 149,449.75 - Step 4: Simplify right side
270,315.52x = 55,747,798,052.41 - Step 5: Solve for x
x = 55,747,798,052.41/270,315.52 - Step 6: Final answer
x = 206,232.32
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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.