Finding the Fourth Proportional to 417,125.40, 625,681.62 and 101,579.64
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Solution
The fourth proportional to 417,125.40, 625,681.62 and 101,579.64 is: 152,367.88
Step by Step Solution
- Step 1: Write the proportion equation
417,125.40 : 625,681.62 = 101,579.64 : x - Step 2: Convert to fraction form
417,125.40/625,681.62 = 101,579.64/x - Step 3: Cross multiply
417,125.40x = 625,681.62 × 101,579.64 - Step 4: Simplify right side
417,125.40x = 63,556,513,714.22 - Step 5: Solve for x
x = 63,556,513,714.22/417,125.40 - Step 6: Final answer
x = 152,367.88
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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.