Finding the Fourth Proportional to 255,683.68, 383,525.28 and 68,695.18
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Solution
The fourth proportional to 255,683.68, 383,525.28 and 68,695.18 is: 103,042.71
Step by Step Solution
- Step 1: Write the proportion equation
255,683.68 : 383,525.28 = 68,695.18 : x - Step 2: Convert to fraction form
255,683.68/383,525.28 = 68,695.18/x - Step 3: Cross multiply
255,683.68x = 383,525.28 × 68,695.18 - Step 4: Simplify right side
255,683.68x = 26,346,338,144.15 - Step 5: Solve for x
x = 26,346,338,144.15/255,683.68 - Step 6: Final answer
x = 103,042.71
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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.