Finding the Fourth Proportional to 306,089.70, 459,134.55 and 166,121.70
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Solution
The fourth proportional to 306,089.70, 459,134.55 and 166,121.70 is: 249,182.55
Step by Step Solution
- Step 1: Write the proportion equation
306,089.70 : 459,134.55 = 166,121.70 : x - Step 2: Convert to fraction form
306,089.70/459,134.55 = 166,121.70/x - Step 3: Cross multiply
306,089.70x = 459,134.55 × 166,121.70 - Step 4: Simplify right side
306,089.70x = 76,272,211,974.74 - Step 5: Solve for x
x = 76,272,211,974.74/306,089.70 - Step 6: Final answer
x = 249,182.55
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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.