Finding the Fourth Proportional to 251,116.18, 346,542.86 and 136,395.92
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Solution
The fourth proportional to 251,116.18, 346,542.86 and 136,395.92 is: 188,227.74
Step by Step Solution
- Step 1: Write the proportion equation
251,116.18 : 346,542.86 = 136,395.92 : x - Step 2: Convert to fraction form
251,116.18/346,542.86 = 136,395.92/x - Step 3: Cross multiply
251,116.18x = 346,542.86 × 136,395.92 - Step 4: Simplify right side
251,116.18x = 47,267,032,209.13 - Step 5: Solve for x
x = 47,267,032,209.13/251,116.18 - Step 6: Final answer
x = 188,227.74
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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.