Finding the Fourth Proportional to 143,338.14, 214,904.70 and 67,394.07
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Solution
The fourth proportional to 143,338.14, 214,904.70 and 67,394.07 is: 101,042.91
Step by Step Solution
- Step 1: Write the proportion equation
143,338.14 : 214,904.70 = 67,394.07 : x - Step 2: Convert to fraction form
143,338.14/214,904.70 = 67,394.07/x - Step 3: Cross multiply
143,338.14x = 214,904.70 × 67,394.07 - Step 4: Simplify right side
143,338.14x = 14,483,302,395.13 - Step 5: Solve for x
x = 14,483,302,395.13/143,338.14 - Step 6: Final answer
x = 101,042.91
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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.