Finding the Fourth Proportional to 313,967.80, 433,278.42 and 170,729.08
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Solution
The fourth proportional to 313,967.80, 433,278.42 and 170,729.08 is: 235,607.68
Step by Step Solution
- Step 1: Write the proportion equation
313,967.80 : 433,278.42 = 170,729.08 : x - Step 2: Convert to fraction form
313,967.80/433,278.42 = 170,729.08/x - Step 3: Cross multiply
313,967.80x = 433,278.42 × 170,729.08 - Step 4: Simplify right side
313,967.80x = 73,973,226,030.45 - Step 5: Solve for x
x = 73,973,226,030.45/313,967.80 - Step 6: Final answer
x = 235,607.68
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1.5x scale
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.