Finding the Fourth Proportional to 417,649.68, 626,474.52 and 102,102.84
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Solution
The fourth proportional to 417,649.68, 626,474.52 and 102,102.84 is: 153,154.26
Step by Step Solution
- Step 1: Write the proportion equation
417,649.68 : 626,474.52 = 102,102.84 : x - Step 2: Convert to fraction form
417,649.68/626,474.52 = 102,102.84/x - Step 3: Cross multiply
417,649.68x = 626,474.52 × 102,102.84 - Step 4: Simplify right side
417,649.68x = 63,964,827,679.64 - Step 5: Solve for x
x = 63,964,827,679.64/417,649.68 - Step 6: Final answer
x = 153,154.26
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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.