Finding the Fourth Proportional to 368,904.44, 509,107.08 and 225,619.52
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Solution
The fourth proportional to 368,904.44, 509,107.08 and 225,619.52 is: 311,366.53
Step by Step Solution
- Step 1: Write the proportion equation
368,904.44 : 509,107.08 = 225,619.52 : x - Step 2: Convert to fraction form
368,904.44/509,107.08 = 225,619.52/x - Step 3: Cross multiply
368,904.44x = 509,107.08 × 225,619.52 - Step 4: Simplify right side
368,904.44x = 114,864,495,018.20 - Step 5: Solve for x
x = 114,864,495,018.20/368,904.44 - Step 6: Final answer
x = 311,366.53
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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.