Finding the Fourth Proportional to 239,215.36, 358,277.76 and 114,644.48
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Solution
The fourth proportional to 239,215.36, 358,277.76 and 114,644.48 is: 171,705.39
Step by Step Solution
- Step 1: Write the proportion equation
239,215.36 : 358,277.76 = 114,644.48 : x - Step 2: Convert to fraction form
239,215.36/358,277.76 = 114,644.48/x - Step 3: Cross multiply
239,215.36x = 358,277.76 × 114,644.48 - Step 4: Simplify right side
239,215.36x = 41,074,567,490.76 - Step 5: Solve for x
x = 41,074,567,490.76/239,215.36 - Step 6: Final answer
x = 171,705.39
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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.