Finding the Fourth Proportional to 417,722.13, 626,607.35 and 118,177.62
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Solution
The fourth proportional to 417,722.13, 626,607.35 and 118,177.62 is: 177,273.26
Step by Step Solution
- Step 1: Write the proportion equation
417,722.13 : 626,607.35 = 118,177.62 : x - Step 2: Convert to fraction form
417,722.13/626,607.35 = 118,177.62/x - Step 3: Cross multiply
417,722.13x = 626,607.35 × 118,177.62 - Step 4: Simplify right side
417,722.13x = 74,050,964,706.62 - Step 5: Solve for x
x = 74,050,964,706.62/417,722.13 - Step 6: Final answer
x = 177,273.26
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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.