Finding the Fourth Proportional to 688,204.92, 1,032,132.06 and 214,938.12
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Solution
The fourth proportional to 688,204.92, 1,032,132.06 and 214,938.12 is: 322,352.42
Step by Step Solution
- Step 1: Write the proportion equation
688,204.92 : 1,032,132.06 = 214,938.12 : x - Step 2: Convert to fraction form
688,204.92/1,032,132.06 = 214,938.12/x - Step 3: Cross multiply
688,204.92x = 1,032,132.06 × 214,938.12 - Step 4: Simplify right side
688,204.92x = 221,844,524,568.13 - Step 5: Solve for x
x = 221,844,524,568.13/688,204.92 - Step 6: Final answer
x = 322,352.42
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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.