Finding the Fourth Proportional to 276,726.47, 381,911.24 and 169,367.99
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Solution
The fourth proportional to 276,726.47, 381,911.24 and 169,367.99 is: 233,745.40
Step by Step Solution
- Step 1: Write the proportion equation
276,726.47 : 381,911.24 = 169,367.99 : x - Step 2: Convert to fraction form
276,726.47/381,911.24 = 169,367.99/x - Step 3: Cross multiply
276,726.47x = 381,911.24 × 169,367.99 - Step 4: Simplify right side
276,726.47x = 64,683,539,077.21 - Step 5: Solve for x
x = 64,683,539,077.21/276,726.47 - Step 6: Final answer
x = 233,745.40
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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.