Finding the Fourth Proportional to 219,556.12, 302,987.64 and 118,954.12
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Solution
The fourth proportional to 219,556.12, 302,987.64 and 118,954.12 is: 164,156.79
Step by Step Solution
- Step 1: Write the proportion equation
219,556.12 : 302,987.64 = 118,954.12 : x - Step 2: Convert to fraction form
219,556.12/302,987.64 = 118,954.12/x - Step 3: Cross multiply
219,556.12x = 302,987.64 × 118,954.12 - Step 4: Simplify right side
219,556.12x = 36,041,628,087.08 - Step 5: Solve for x
x = 36,041,628,087.08/219,556.12 - Step 6: Final answer
x = 164,156.79
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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.