Finding the Fourth Proportional to 408,284.47, 563,464.12 and 244,947.09
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Solution
The fourth proportional to 408,284.47, 563,464.12 and 244,947.09 is: 338,045.92
Step by Step Solution
- Step 1: Write the proportion equation
408,284.47 : 563,464.12 = 244,947.09 : x - Step 2: Convert to fraction form
408,284.47/563,464.12 = 244,947.09/x - Step 3: Cross multiply
408,284.47x = 563,464.12 × 244,947.09 - Step 4: Simplify right side
408,284.47x = 138,018,896,421.45 - Step 5: Solve for x
x = 138,018,896,421.45/408,284.47 - Step 6: Final answer
x = 338,045.92
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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.