Finding the Fourth Proportional to 242,840.60, 364,271.70 and 82,914.20
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Solution
The fourth proportional to 242,840.60, 364,271.70 and 82,914.20 is: 124,374.99
Step by Step Solution
- Step 1: Write the proportion equation
242,840.60 : 364,271.70 = 82,914.20 : x - Step 2: Convert to fraction form
242,840.60/364,271.70 = 82,914.20/x - Step 3: Cross multiply
242,840.60x = 364,271.70 × 82,914.20 - Step 4: Simplify right side
242,840.60x = 30,203,296,588.14 - Step 5: Solve for x
x = 30,203,296,588.14/242,840.60 - Step 6: Final answer
x = 124,374.99
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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.