Finding the Fourth Proportional to 308,470.41, 425,671.47 and 170,641.08
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Solution
The fourth proportional to 308,470.41, 425,671.47 and 170,641.08 is: 235,474.90
Step by Step Solution
- Step 1: Write the proportion equation
308,470.41 : 425,671.47 = 170,641.08 : x - Step 2: Convert to fraction form
308,470.41/425,671.47 = 170,641.08/x - Step 3: Cross multiply
308,470.41x = 425,671.47 × 170,641.08 - Step 4: Simplify right side
308,470.41x = 72,637,039,365.99 - Step 5: Solve for x
x = 72,637,039,365.99/308,470.41 - Step 6: Final answer
x = 235,474.90
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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.