Finding the Fourth Proportional to 408,319.08, 563,482.08 and 227,047.56
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Solution
The fourth proportional to 408,319.08, 563,482.08 and 227,047.56 is: 313,326.61
Step by Step Solution
- Step 1: Write the proportion equation
408,319.08 : 563,482.08 = 227,047.56 : x - Step 2: Convert to fraction form
408,319.08/563,482.08 = 227,047.56/x - Step 3: Cross multiply
408,319.08x = 563,482.08 × 227,047.56 - Step 4: Simplify right side
408,319.08x = 127,937,231,367.73 - Step 5: Solve for x
x = 127,937,231,367.73/408,319.08 - Step 6: Final answer
x = 313,326.61
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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.