Finding the Fourth Proportional to 302,258.49, 417,116.74 and 166,289.53
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Solution
The fourth proportional to 302,258.49, 417,116.74 and 166,289.53 is: 229,479.56
Step by Step Solution
- Step 1: Write the proportion equation
302,258.49 : 417,116.74 = 166,289.53 : x - Step 2: Convert to fraction form
302,258.49/417,116.74 = 166,289.53/x - Step 3: Cross multiply
302,258.49x = 417,116.74 × 166,289.53 - Step 4: Simplify right side
302,258.49x = 69,362,146,649.73 - Step 5: Solve for x
x = 69,362,146,649.73/302,258.49 - Step 6: Final answer
x = 229,479.56
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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.