Finding the Fourth Proportional to 328,323.17, 453,085.99 and 177,420.17
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Solution
The fourth proportional to 328,323.17, 453,085.99 and 177,420.17 is: 244,839.84
Step by Step Solution
- Step 1: Write the proportion equation
328,323.17 : 453,085.99 = 177,420.17 : x - Step 2: Convert to fraction form
328,323.17/453,085.99 = 177,420.17/x - Step 3: Cross multiply
328,323.17x = 453,085.99 × 177,420.17 - Step 4: Simplify right side
328,323.17x = 80,386,594,059.58 - Step 5: Solve for x
x = 80,386,594,059.58/328,323.17 - Step 6: Final answer
x = 244,839.84
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1.5x scale
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.