Finding the Fourth Proportional to 370,181.18, 555,271.85 and 133,523.84
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Solution
The fourth proportional to 370,181.18, 555,271.85 and 133,523.84 is: 200,285.79
Step by Step Solution
- Step 1: Write the proportion equation
370,181.18 : 555,271.85 = 133,523.84 : x - Step 2: Convert to fraction form
370,181.18/555,271.85 = 133,523.84/x - Step 3: Cross multiply
370,181.18x = 555,271.85 × 133,523.84 - Step 4: Simplify right side
370,181.18x = 74,142,031,377.89 - Step 5: Solve for x
x = 74,142,031,377.89/370,181.18 - Step 6: Final answer
x = 200,285.79
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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.