Finding the Fourth Proportional to 417,754.22, 626,655.69 and 118,209.74
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Solution
The fourth proportional to 417,754.22, 626,655.69 and 118,209.74 is: 177,321.50
Step by Step Solution
- Step 1: Write the proportion equation
417,754.22 : 626,655.69 = 118,209.74 : x - Step 2: Convert to fraction form
417,754.22/626,655.69 = 118,209.74/x - Step 3: Cross multiply
417,754.22x = 626,655.69 × 118,209.74 - Step 4: Simplify right side
417,754.22x = 74,076,803,051.14 - Step 5: Solve for x
x = 74,076,803,051.14/417,754.22 - Step 6: Final answer
x = 177,321.50
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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.