Finding the Fourth Proportional to 153,536.36, 230,371.26 and 53,768.12
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Solution
The fourth proportional to 153,536.36, 230,371.26 and 53,768.12 is: 80,675.55
Step by Step Solution
- Step 1: Write the proportion equation
153,536.36 : 230,371.26 = 53,768.12 : x - Step 2: Convert to fraction form
153,536.36/230,371.26 = 53,768.12/x - Step 3: Cross multiply
153,536.36x = 230,371.26 × 53,768.12 - Step 4: Simplify right side
153,536.36x = 12,386,629,552.23 - Step 5: Solve for x
x = 12,386,629,552.23/153,536.36 - Step 6: Final answer
x = 80,675.55
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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.