Finding the Fourth Proportional to 438,528.08, 605,167.56 and 237,324.08
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Solution
The fourth proportional to 438,528.08, 605,167.56 and 237,324.08 is: 327,506.59
Step by Step Solution
- Step 1: Write the proportion equation
438,528.08 : 605,167.56 = 237,324.08 : x - Step 2: Convert to fraction form
438,528.08/605,167.56 = 237,324.08/x - Step 3: Cross multiply
438,528.08x = 605,167.56 × 237,324.08 - Step 4: Simplify right side
438,528.08x = 143,620,834,422.85 - Step 5: Solve for x
x = 143,620,834,422.85/438,528.08 - Step 6: Final answer
x = 327,506.59
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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.