Finding the Fourth Proportional to 255,726.60, 383,040.36 and 207,478.62
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Solution
The fourth proportional to 255,726.60, 383,040.36 and 207,478.62 is: 310,772.07
Step by Step Solution
- Step 1: Write the proportion equation
255,726.60 : 383,040.36 = 207,478.62 : x - Step 2: Convert to fraction form
255,726.60/383,040.36 = 207,478.62/x - Step 3: Cross multiply
255,726.60x = 383,040.36 × 207,478.62 - Step 4: Simplify right side
255,726.60x = 79,472,685,297.10 - Step 5: Solve for x
x = 79,472,685,297.10/255,726.60 - Step 6: Final answer
x = 310,772.07
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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.