Finding the Fourth Proportional to 313,289.19, 432,346.77 and 170,048.88
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Solution
The fourth proportional to 313,289.19, 432,346.77 and 170,048.88 is: 234,671.63
Step by Step Solution
- Step 1: Write the proportion equation
313,289.19 : 432,346.77 = 170,048.88 : x - Step 2: Convert to fraction form
313,289.19/432,346.77 = 170,048.88/x - Step 3: Cross multiply
313,289.19x = 432,346.77 × 170,048.88 - Step 4: Simplify right side
313,289.19x = 73,520,084,010.12 - Step 5: Solve for x
x = 73,520,084,010.12/313,289.19 - Step 6: Final answer
x = 234,671.63
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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.