Finding the Fourth Proportional to 302,085.36, 416,888.36 and 166,124.88
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Solution
The fourth proportional to 302,085.36, 416,888.36 and 166,124.88 is: 229,258.14
Step by Step Solution
- Step 1: Write the proportion equation
302,085.36 : 416,888.36 = 166,124.88 : x - Step 2: Convert to fraction form
302,085.36/416,888.36 = 166,124.88/x - Step 3: Cross multiply
302,085.36x = 416,888.36 × 166,124.88 - Step 4: Simplify right side
302,085.36x = 69,255,528,778.40 - Step 5: Solve for x
x = 69,255,528,778.40/302,085.36 - Step 6: Final answer
x = 229,258.14
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.