Finding the Fourth Proportional to 437,038.65, 603,113.18 and 255,785.09
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Solution
The fourth proportional to 437,038.65, 603,113.18 and 255,785.09 is: 352,983.32
Step by Step Solution
- Step 1: Write the proportion equation
437,038.65 : 603,113.18 = 255,785.09 : x - Step 2: Convert to fraction form
437,038.65/603,113.18 = 255,785.09/x - Step 3: Cross multiply
437,038.65x = 603,113.18 × 255,785.09 - Step 4: Simplify right side
437,038.65x = 154,267,354,732.00 - Step 5: Solve for x
x = 154,267,354,732.00/437,038.65 - Step 6: Final answer
x = 352,983.32
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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.