Finding the Fourth Proportional to 424,954.95, 637,457.42 and 121,325.77
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Solution
The fourth proportional to 424,954.95, 637,457.42 and 121,325.77 is: 181,995.79
Step by Step Solution
- Step 1: Write the proportion equation
424,954.95 : 637,457.42 = 121,325.77 : x - Step 2: Convert to fraction form
424,954.95/637,457.42 = 121,325.77/x - Step 3: Cross multiply
424,954.95x = 637,457.42 × 121,325.77 - Step 4: Simplify right side
424,954.95x = 77,340,010,123.44 - Step 5: Solve for x
x = 77,340,010,123.44/424,954.95 - Step 6: Final answer
x = 181,995.79
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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.