Finding the Fourth Proportional to 213,351.12, 294,428.28 and 117,852.12
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Solution
The fourth proportional to 213,351.12, 294,428.28 and 117,852.12 is: 162,637.99
Step by Step Solution
- Step 1: Write the proportion equation
213,351.12 : 294,428.28 = 117,852.12 : x - Step 2: Convert to fraction form
213,351.12/294,428.28 = 117,852.12/x - Step 3: Cross multiply
213,351.12x = 294,428.28 × 117,852.12 - Step 4: Simplify right side
213,351.12x = 34,698,996,985.95 - Step 5: Solve for x
x = 34,698,996,985.95/213,351.12 - Step 6: Final answer
x = 162,637.99
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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.