Finding the Fourth Proportional to 245,131.80, 367,697.70 and 97,387.80
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Solution
The fourth proportional to 245,131.80, 367,697.70 and 97,387.80 is: 146,081.70
Step by Step Solution
- Step 1: Write the proportion equation
245,131.80 : 367,697.70 = 97,387.80 : x - Step 2: Convert to fraction form
245,131.80/367,697.70 = 97,387.80/x - Step 3: Cross multiply
245,131.80x = 367,697.70 × 97,387.80 - Step 4: Simplify right side
245,131.80x = 35,809,270,068.06 - Step 5: Solve for x
x = 35,809,270,068.06/245,131.80 - Step 6: Final answer
x = 146,081.70
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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.