Finding the Fourth Proportional to 157,408.37, 236,042.89 and 45,062.99
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Solution
The fourth proportional to 157,408.37, 236,042.89 and 45,062.99 is: 67,574.54
Step by Step Solution
- Step 1: Write the proportion equation
157,408.37 : 236,042.89 = 45,062.99 : x - Step 2: Convert to fraction form
157,408.37/236,042.89 = 45,062.99/x - Step 3: Cross multiply
157,408.37x = 236,042.89 × 45,062.99 - Step 4: Simplify right side
157,408.37x = 10,636,798,237.41 - Step 5: Solve for x
x = 10,636,798,237.41/157,408.37 - Step 6: Final answer
x = 67,574.54
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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.