Finding the Fourth Proportional to 251,235.19, 346,707.30 and 138,057.94
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Solution
The fourth proportional to 251,235.19, 346,707.30 and 138,057.94 is: 190,521.46
Step by Step Solution
- Step 1: Write the proportion equation
251,235.19 : 346,707.30 = 138,057.94 : x - Step 2: Convert to fraction form
251,235.19/346,707.30 = 138,057.94/x - Step 3: Cross multiply
251,235.19x = 346,707.30 × 138,057.94 - Step 4: Simplify right side
251,235.19x = 47,865,695,620.96 - Step 5: Solve for x
x = 47,865,695,620.96/251,235.19 - Step 6: Final answer
x = 190,521.46
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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.