Finding the Fourth Proportional to 619,533.92, 928,750.32 and 220,122.08
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Solution
The fourth proportional to 619,533.92, 928,750.32 and 220,122.08 is: 329,987.50
Step by Step Solution
- Step 1: Write the proportion equation
619,533.92 : 928,750.32 = 220,122.08 : x - Step 2: Convert to fraction form
619,533.92/928,750.32 = 220,122.08/x - Step 3: Cross multiply
619,533.92x = 928,750.32 × 220,122.08 - Step 4: Simplify right side
619,533.92x = 204,438,452,239.07 - Step 5: Solve for x
x = 204,438,452,239.07/619,533.92 - Step 6: Final answer
x = 329,987.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.