Finding the Fourth Proportional to 307,470.08, 424,376.88 and 194,270.96
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Solution
The fourth proportional to 307,470.08, 424,376.88 and 194,270.96 is: 268,137.00
Step by Step Solution
- Step 1: Write the proportion equation
307,470.08 : 424,376.88 = 194,270.96 : x - Step 2: Convert to fraction form
307,470.08/424,376.88 = 194,270.96/x - Step 3: Cross multiply
307,470.08x = 424,376.88 × 194,270.96 - Step 4: Simplify right side
307,470.08x = 82,444,103,879.40 - Step 5: Solve for x
x = 82,444,103,879.40/307,470.08 - Step 6: Final answer
x = 268,137.00
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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.