Finding the Fourth Proportional to 302,442.18, 417,371.70 and 166,489.74
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Solution
The fourth proportional to 302,442.18, 417,371.70 and 166,489.74 is: 229,756.66
Step by Step Solution
- Step 1: Write the proportion equation
302,442.18 : 417,371.70 = 166,489.74 : x - Step 2: Convert to fraction form
302,442.18/417,371.70 = 166,489.74/x - Step 3: Cross multiply
302,442.18x = 417,371.70 × 166,489.74 - Step 4: Simplify right side
302,442.18x = 69,488,105,816.36 - Step 5: Solve for x
x = 69,488,105,816.36/302,442.18 - Step 6: Final answer
x = 229,756.66
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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.