Finding the Fourth Proportional to 473,047.80, 709,571.70 and 157,536.60
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Solution
The fourth proportional to 473,047.80, 709,571.70 and 157,536.60 is: 236,304.90
Step by Step Solution
- Step 1: Write the proportion equation
473,047.80 : 709,571.70 = 157,536.60 : x - Step 2: Convert to fraction form
473,047.80/709,571.70 = 157,536.60/x - Step 3: Cross multiply
473,047.80x = 709,571.70 × 157,536.60 - Step 4: Simplify right side
473,047.80x = 111,783,513,074.22 - Step 5: Solve for x
x = 111,783,513,074.22/473,047.80 - Step 6: Final answer
x = 236,304.90
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Similar ratio
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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.