Finding the Fourth Proportional to 318,338.56, 439,307.52 and 184,204.80
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Solution
The fourth proportional to 318,338.56, 439,307.52 and 184,204.80 is: 254,202.80
Step by Step Solution
- Step 1: Write the proportion equation
318,338.56 : 439,307.52 = 184,204.80 : x - Step 2: Convert to fraction form
318,338.56/439,307.52 = 184,204.80/x - Step 3: Cross multiply
318,338.56x = 439,307.52 × 184,204.80 - Step 4: Simplify right side
318,338.56x = 80,922,553,860.10 - Step 5: Solve for x
x = 80,922,553,860.10/318,338.56 - Step 6: Final answer
x = 254,202.80
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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.