Finding the Fourth Proportional to 370,919.21, 511,896.05 and 207,592.10
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Solution
The fourth proportional to 370,919.21, 511,896.05 and 207,592.10 is: 286,492.51
Step by Step Solution
- Step 1: Write the proportion equation
370,919.21 : 511,896.05 = 207,592.10 : x - Step 2: Convert to fraction form
370,919.21/511,896.05 = 207,592.10/x - Step 3: Cross multiply
370,919.21x = 511,896.05 × 207,592.10 - Step 4: Simplify right side
370,919.21x = 106,265,574,963.25 - Step 5: Solve for x
x = 106,265,574,963.25/370,919.21 - Step 6: Final answer
x = 286,492.51
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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.