Finding the Fourth Proportional to 207,075.96, 310,392.48 and 107,135.52
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Solution
The fourth proportional to 207,075.96, 310,392.48 and 107,135.52 is: 160,588.70
Step by Step Solution
- Step 1: Write the proportion equation
207,075.96 : 310,392.48 = 107,135.52 : x - Step 2: Convert to fraction form
207,075.96/310,392.48 = 107,135.52/x - Step 3: Cross multiply
207,075.96x = 310,392.48 × 107,135.52 - Step 4: Simplify right side
207,075.96x = 33,254,059,748.89 - Step 5: Solve for x
x = 33,254,059,748.89/207,075.96 - Step 6: Final answer
x = 160,588.70
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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.