Finding the Fourth Proportional to 190,927.13, 263,487.74 and 106,044.19
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Solution
The fourth proportional to 190,927.13, 263,487.74 and 106,044.19 is: 146,345.59
Step by Step Solution
- Step 1: Write the proportion equation
190,927.13 : 263,487.74 = 106,044.19 : x - Step 2: Convert to fraction form
190,927.13/263,487.74 = 106,044.19/x - Step 3: Cross multiply
190,927.13x = 263,487.74 × 106,044.19 - Step 4: Simplify right side
190,927.13x = 27,941,342,774.29 - Step 5: Solve for x
x = 27,941,342,774.29/190,927.13 - Step 6: Final answer
x = 146,345.59
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.