Finding the Fourth Proportional to 313,549.58, 432,698.56 and 170,312.63
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Solution
The fourth proportional to 313,549.58, 432,698.56 and 170,312.63 is: 235,031.50
Step by Step Solution
- Step 1: Write the proportion equation
313,549.58 : 432,698.56 = 170,312.63 : x - Step 2: Convert to fraction form
313,549.58/432,698.56 = 170,312.63/x - Step 3: Cross multiply
313,549.58x = 432,698.56 × 170,312.63 - Step 4: Simplify right side
313,549.58x = 73,694,027,161.54 - Step 5: Solve for x
x = 73,694,027,161.54/313,549.58 - Step 6: Final answer
x = 235,031.50
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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.