Finding the Fourth Proportional to 221,023.09, 331,536.95 and 176,930.14
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Solution
The fourth proportional to 221,023.09, 331,536.95 and 176,930.14 is: 265,397.06
Step by Step Solution
- Step 1: Write the proportion equation
221,023.09 : 331,536.95 = 176,930.14 : x - Step 2: Convert to fraction form
221,023.09/331,536.95 = 176,930.14/x - Step 3: Cross multiply
221,023.09x = 331,536.95 × 176,930.14 - Step 4: Simplify right side
221,023.09x = 58,658,878,978.67 - Step 5: Solve for x
x = 58,658,878,978.67/221,023.09 - Step 6: Final answer
x = 265,397.06
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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.