Finding the Fourth Proportional to 190,235.08, 285,374.49 and 111,349.99
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Solution
The fourth proportional to 190,235.08, 285,374.49 and 111,349.99 is: 167,037.79
Step by Step Solution
- Step 1: Write the proportion equation
190,235.08 : 285,374.49 = 111,349.99 : x - Step 2: Convert to fraction form
190,235.08/285,374.49 = 111,349.99/x - Step 3: Cross multiply
190,235.08x = 285,374.49 × 111,349.99 - Step 4: Simplify right side
190,235.08x = 31,776,446,607.76 - Step 5: Solve for x
x = 31,776,446,607.76/190,235.08 - Step 6: Final answer
x = 167,037.79
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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.