Finding the Fourth Proportional to 438,573.74, 605,231.66 and 247,587.12
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Solution
The fourth proportional to 438,573.74, 605,231.66 and 247,587.12 is: 341,670.17
Step by Step Solution
- Step 1: Write the proportion equation
438,573.74 : 605,231.66 = 247,587.12 : x - Step 2: Convert to fraction form
438,573.74/605,231.66 = 247,587.12/x - Step 3: Cross multiply
438,573.74x = 605,231.66 × 247,587.12 - Step 4: Simplify right side
438,573.74x = 149,847,563,632.22 - Step 5: Solve for x
x = 149,847,563,632.22/438,573.74 - Step 6: Final answer
x = 341,670.17
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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.