Finding the Fourth Proportional to 325,221.69, 487,829.79 and 254,204.07
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Solution
The fourth proportional to 325,221.69, 487,829.79 and 254,204.07 is: 381,303.96
Step by Step Solution
- Step 1: Write the proportion equation
325,221.69 : 487,829.79 = 254,204.07 : x - Step 2: Convert to fraction form
325,221.69/487,829.79 = 254,204.07/x - Step 3: Cross multiply
325,221.69x = 487,829.79 × 254,204.07 - Step 4: Simplify right side
325,221.69x = 124,008,318,085.25 - Step 5: Solve for x
x = 124,008,318,085.25/325,221.69 - Step 6: Final answer
x = 381,303.96
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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.