Finding the Fourth Proportional to 508,203.36, 762,415.12 and 153,187.68
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Solution
The fourth proportional to 508,203.36, 762,415.12 and 153,187.68 is: 229,814.70
Step by Step Solution
- Step 1: Write the proportion equation
508,203.36 : 762,415.12 = 153,187.68 : x - Step 2: Convert to fraction form
508,203.36/762,415.12 = 153,187.68/x - Step 3: Cross multiply
508,203.36x = 762,415.12 × 153,187.68 - Step 4: Simplify right side
508,203.36x = 116,792,603,429.72 - Step 5: Solve for x
x = 116,792,603,429.72/508,203.36 - Step 6: Final answer
x = 229,814.70
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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.