Finding the Fourth Proportional to 361,631.58, 542,457.36 and 136,950.09
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Solution
The fourth proportional to 361,631.58, 542,457.36 and 136,950.09 is: 205,428.92
Step by Step Solution
- Step 1: Write the proportion equation
361,631.58 : 542,457.36 = 136,950.09 : x - Step 2: Convert to fraction form
361,631.58/542,457.36 = 136,950.09/x - Step 3: Cross multiply
361,631.58x = 542,457.36 × 136,950.09 - Step 4: Simplify right side
361,631.58x = 74,289,584,273.16 - Step 5: Solve for x
x = 74,289,584,273.16/361,631.58 - Step 6: Final answer
x = 205,428.92
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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.