Finding the Fourth Proportional to 438,920.42, 605,759.51 and 247,946.18
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Solution
The fourth proportional to 438,920.42, 605,759.51 and 247,946.18 is: 342,193.59
Step by Step Solution
- Step 1: Write the proportion equation
438,920.42 : 605,759.51 = 247,946.18 : x - Step 2: Convert to fraction form
438,920.42/605,759.51 = 247,946.18/x - Step 3: Cross multiply
438,920.42x = 605,759.51 × 247,946.18 - Step 4: Simplify right side
438,920.42x = 150,195,754,094.24 - Step 5: Solve for x
x = 150,195,754,094.24/438,920.42 - Step 6: Final answer
x = 342,193.59
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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.