Finding the Fourth Proportional to 245,189.80, 367,784.70 and 97,445.80
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Solution
The fourth proportional to 245,189.80, 367,784.70 and 97,445.80 is: 146,168.70
Step by Step Solution
- Step 1: Write the proportion equation
245,189.80 : 367,784.70 = 97,445.80 : x - Step 2: Convert to fraction form
245,189.80/367,784.70 = 97,445.80/x - Step 3: Cross multiply
245,189.80x = 367,784.70 × 97,445.80 - Step 4: Simplify right side
245,189.80x = 35,839,074,319.26 - Step 5: Solve for x
x = 35,839,074,319.26/245,189.80 - Step 6: Final answer
x = 146,168.70
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1.5x scale
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.