Finding the Fourth Proportional to 438,905.41, 605,689.46 and 237,701.41
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Solution
The fourth proportional to 438,905.41, 605,689.46 and 237,701.41 is: 328,027.94
Step by Step Solution
- Step 1: Write the proportion equation
438,905.41 : 605,689.46 = 237,701.41 : x - Step 2: Convert to fraction form
438,905.41/605,689.46 = 237,701.41/x - Step 3: Cross multiply
438,905.41x = 605,689.46 × 237,701.41 - Step 4: Simplify right side
438,905.41x = 143,973,238,664.14 - Step 5: Solve for x
x = 143,973,238,664.14/438,905.41 - Step 6: Final answer
x = 328,027.94
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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.