Finding the Fourth Proportional to 251,358.48, 346,881.34 and 136,644.84
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Solution
The fourth proportional to 251,358.48, 346,881.34 and 136,644.84 is: 188,573.49
Step by Step Solution
- Step 1: Write the proportion equation
251,358.48 : 346,881.34 = 136,644.84 : x - Step 2: Convert to fraction form
251,358.48/346,881.34 = 136,644.84/x - Step 3: Cross multiply
251,358.48x = 346,881.34 × 136,644.84 - Step 4: Simplify right side
251,358.48x = 47,399,545,203.29 - Step 5: Solve for x
x = 47,399,545,203.29/251,358.48 - Step 6: Final answer
x = 188,573.49
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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.