Finding the Fourth Proportional to 490,636.17, 735,954.26 and 153,679.68
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Solution
The fourth proportional to 490,636.17, 735,954.26 and 153,679.68 is: 230,519.52
Step by Step Solution
- Step 1: Write the proportion equation
490,636.17 : 735,954.26 = 153,679.68 : x - Step 2: Convert to fraction form
490,636.17/735,954.26 = 153,679.68/x - Step 3: Cross multiply
490,636.17x = 735,954.26 × 153,679.68 - Step 4: Simplify right side
490,636.17x = 113,101,214,403.04 - Step 5: Solve for x
x = 113,101,214,403.04/490,636.17 - Step 6: Final answer
x = 230,519.52
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Similar ratio
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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.