Finding the Fourth Proportional to 492,089.70, 738,134.55 and 243,257.70
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Solution
The fourth proportional to 492,089.70, 738,134.55 and 243,257.70 is: 364,886.55
Step by Step Solution
- Step 1: Write the proportion equation
492,089.70 : 738,134.55 = 243,257.70 : x - Step 2: Convert to fraction form
492,089.70/738,134.55 = 243,257.70/x - Step 3: Cross multiply
492,089.70x = 738,134.55 × 243,257.70 - Step 4: Simplify right side
492,089.70x = 179,556,912,923.54 - Step 5: Solve for x
x = 179,556,912,923.54/492,089.70 - Step 6: Final answer
x = 364,886.55
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Similar ratio
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1.5x scale
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.