Finding the Fourth Proportional to 219,460.75, 302,855.84 and 118,858.75
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Solution
The fourth proportional to 219,460.75, 302,855.84 and 118,858.75 is: 164,025.08
Step by Step Solution
- Step 1: Write the proportion equation
219,460.75 : 302,855.84 = 118,858.75 : x - Step 2: Convert to fraction form
219,460.75/302,855.84 = 118,858.75/x - Step 3: Cross multiply
219,460.75x = 302,855.84 × 118,858.75 - Step 4: Simplify right side
219,460.75x = 35,997,065,978.31 - Step 5: Solve for x
x = 35,997,065,978.31/219,460.75 - Step 6: Final answer
x = 164,025.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.