Finding the Fourth Proportional to 193,789.18, 290,683.91 and 53,547.94
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Solution
The fourth proportional to 193,789.18, 290,683.91 and 53,547.94 is: 80,321.95
Step by Step Solution
- Step 1: Write the proportion equation
193,789.18 : 290,683.91 = 53,547.94 : x - Step 2: Convert to fraction form
193,789.18/290,683.91 = 53,547.94/x - Step 3: Cross multiply
193,789.18x = 290,683.91 × 53,547.94 - Step 4: Simplify right side
193,789.18x = 15,565,524,303.91 - Step 5: Solve for x
x = 15,565,524,303.91/193,789.18 - Step 6: Final answer
x = 80,321.95
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1.5x scale
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.