Finding the Fourth Proportional to 508,199.36, 762,409.12 and 153,183.68
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Solution
The fourth proportional to 508,199.36, 762,409.12 and 153,183.68 is: 229,808.70
Step by Step Solution
- Step 1: Write the proportion equation
508,199.36 : 762,409.12 = 153,183.68 : x - Step 2: Convert to fraction form
508,199.36/762,409.12 = 153,183.68/x - Step 3: Cross multiply
508,199.36x = 762,409.12 × 153,183.68 - Step 4: Simplify right side
508,199.36x = 116,788,634,667.16 - Step 5: Solve for x
x = 116,788,634,667.16/508,199.36 - Step 6: Final answer
x = 229,808.70
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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.