Finding the Fourth Proportional to 328,281.92, 453,028.91 and 177,378.92
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Solution
The fourth proportional to 328,281.92, 453,028.91 and 177,378.92 is: 244,782.83
Step by Step Solution
- Step 1: Write the proportion equation
328,281.92 : 453,028.91 = 177,378.92 : x - Step 2: Convert to fraction form
328,281.92/453,028.91 = 177,378.92/x - Step 3: Cross multiply
328,281.92x = 453,028.91 × 177,378.92 - Step 4: Simplify right side
328,281.92x = 80,357,778,784.58 - Step 5: Solve for x
x = 80,357,778,784.58/328,281.92 - Step 6: Final answer
x = 244,782.83
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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.