Finding the Fourth Proportional to 313,102.08, 432,081.03 and 169,862.09
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Solution
The fourth proportional to 313,102.08, 432,081.03 and 169,862.09 is: 234,409.76
Step by Step Solution
- Step 1: Write the proportion equation
313,102.08 : 432,081.03 = 169,862.09 : x - Step 2: Convert to fraction form
313,102.08/432,081.03 = 169,862.09/x - Step 3: Cross multiply
313,102.08x = 432,081.03 × 169,862.09 - Step 4: Simplify right side
313,102.08x = 73,394,184,644.75 - Step 5: Solve for x
x = 73,394,184,644.75/313,102.08 - Step 6: Final answer
x = 234,409.76
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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.