Finding the Fourth Proportional to 244,596.90, 366,931.80 and 86,812.14
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Solution
The fourth proportional to 244,596.90, 366,931.80 and 86,812.14 is: 130,231.15
Step by Step Solution
- Step 1: Write the proportion equation
244,596.90 : 366,931.80 = 86,812.14 : x - Step 2: Convert to fraction form
244,596.90/366,931.80 = 86,812.14/x - Step 3: Cross multiply
244,596.90x = 366,931.80 × 86,812.14 - Step 4: Simplify right side
244,596.90x = 31,854,134,792.05 - Step 5: Solve for x
x = 31,854,134,792.05/244,596.90 - Step 6: Final answer
x = 130,231.15
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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.