Finding the Fourth Proportional to 487,509.84, 672,481.68 and 293,785.38
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Solution
The fourth proportional to 487,509.84, 672,481.68 and 293,785.38 is: 405,253.95
Step by Step Solution
- Step 1: Write the proportion equation
487,509.84 : 672,481.68 = 293,785.38 : x - Step 2: Convert to fraction form
487,509.84/672,481.68 = 293,785.38/x - Step 3: Cross multiply
487,509.84x = 672,481.68 × 293,785.38 - Step 4: Simplify right side
487,509.84x = 197,565,285,901.84 - Step 5: Solve for x
x = 197,565,285,901.84/487,509.84 - Step 6: Final answer
x = 405,253.95
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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.