Finding the Fourth Proportional to 438,539.63, 605,184.75 and 237,335.63
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Solution
The fourth proportional to 438,539.63, 605,184.75 and 237,335.63 is: 327,523.20
Step by Step Solution
- Step 1: Write the proportion equation
438,539.63 : 605,184.75 = 237,335.63 : x - Step 2: Convert to fraction form
438,539.63/605,184.75 = 237,335.63/x - Step 3: Cross multiply
438,539.63x = 605,184.75 × 237,335.63 - Step 4: Simplify right side
438,539.63x = 143,631,900,881.72 - Step 5: Solve for x
x = 143,631,900,881.72/438,539.63 - Step 6: Final answer
x = 327,523.20
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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.