Finding the Fourth Proportional to 313,724.13, 432,938.97 and 170,483.88
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Solution
The fourth proportional to 313,724.13, 432,938.97 and 170,483.88 is: 235,267.58
Step by Step Solution
- Step 1: Write the proportion equation
313,724.13 : 432,938.97 = 170,483.88 : x - Step 2: Convert to fraction form
313,724.13/432,938.97 = 170,483.88/x - Step 3: Cross multiply
313,724.13x = 432,938.97 × 170,483.88 - Step 4: Simplify right side
313,724.13x = 73,809,115,408.80 - Step 5: Solve for x
x = 73,809,115,408.80/313,724.13 - Step 6: Final answer
x = 235,267.58
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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.