Finding the Fourth Proportional to 417,246.86, 625,986.93 and 136,960.94
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Solution
The fourth proportional to 417,246.86, 625,986.93 and 136,960.94 is: 205,479.70
Step by Step Solution
- Step 1: Write the proportion equation
417,246.86 : 625,986.93 = 136,960.94 : x - Step 2: Convert to fraction form
417,246.86/625,986.93 = 136,960.94/x - Step 3: Cross multiply
417,246.86x = 625,986.93 × 136,960.94 - Step 4: Simplify right side
417,246.86x = 85,735,758,360.51 - Step 5: Solve for x
x = 85,735,758,360.51/417,246.86 - Step 6: Final answer
x = 205,479.70
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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.