Finding the Fourth Proportional to 444,895.12, 613,965.18 and 253,904.68
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Solution
The fourth proportional to 444,895.12, 613,965.18 and 253,904.68 is: 350,394.12
Step by Step Solution
- Step 1: Write the proportion equation
444,895.12 : 613,965.18 = 253,904.68 : x - Step 2: Convert to fraction form
444,895.12/613,965.18 = 253,904.68/x - Step 3: Cross multiply
444,895.12x = 613,965.18 × 253,904.68 - Step 4: Simplify right side
444,895.12x = 155,888,632,559.04 - Step 5: Solve for x
x = 155,888,632,559.04/444,895.12 - Step 6: Final answer
x = 350,394.12
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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.