Finding the Fourth Proportional to 420,862.26, 631,544.92 and 154,649.69
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Solution
The fourth proportional to 420,862.26, 631,544.92 and 154,649.69 is: 232,066.96
Step by Step Solution
- Step 1: Write the proportion equation
420,862.26 : 631,544.92 = 154,649.69 : x - Step 2: Convert to fraction form
420,862.26/631,544.92 = 154,649.69/x - Step 3: Cross multiply
420,862.26x = 631,544.92 × 154,649.69 - Step 4: Simplify right side
420,862.26x = 97,668,226,099.07 - Step 5: Solve for x
x = 97,668,226,099.07/420,862.26 - Step 6: Final answer
x = 232,066.96
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.