Finding the Fourth Proportional to 560,412.30, 840,727.80 and 223,395.60
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Solution
The fourth proportional to 560,412.30, 840,727.80 and 223,395.60 is: 335,136.99
Step by Step Solution
- Step 1: Write the proportion equation
560,412.30 : 840,727.80 = 223,395.60 : x - Step 2: Convert to fraction form
560,412.30/840,727.80 = 223,395.60/x - Step 3: Cross multiply
560,412.30x = 840,727.80 × 223,395.60 - Step 4: Simplify right side
560,412.30x = 187,814,891,317.68 - Step 5: Solve for x
x = 187,814,891,317.68/560,412.30 - Step 6: Final answer
x = 335,136.99
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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.