Finding the Fourth Proportional to 245,145.74, 367,829.50 and 125,140.70
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Solution
The fourth proportional to 245,145.74, 367,829.50 and 125,140.70 is: 187,767.66
Step by Step Solution
- Step 1: Write the proportion equation
245,145.74 : 367,829.50 = 125,140.70 : x - Step 2: Convert to fraction form
245,145.74/367,829.50 = 125,140.70/x - Step 3: Cross multiply
245,145.74x = 367,829.50 × 125,140.70 - Step 4: Simplify right side
245,145.74x = 46,030,441,110.65 - Step 5: Solve for x
x = 46,030,441,110.65/245,145.74 - Step 6: Final answer
x = 187,767.66
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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.