Finding the Fourth Proportional to 190,231.08, 285,368.49 and 111,345.99
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Solution
The fourth proportional to 190,231.08, 285,368.49 and 111,345.99 is: 167,031.79
Step by Step Solution
- Step 1: Write the proportion equation
190,231.08 : 285,368.49 = 111,345.99 : x - Step 2: Convert to fraction form
190,231.08/285,368.49 = 111,345.99/x - Step 3: Cross multiply
190,231.08x = 285,368.49 × 111,345.99 - Step 4: Simplify right side
190,231.08x = 31,774,637,033.86 - Step 5: Solve for x
x = 31,774,637,033.86/190,231.08 - Step 6: Final answer
x = 167,031.79
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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.