Finding the Fourth Proportional to 210,195.99, 289,970.55 and 124,097.31
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Solution
The fourth proportional to 210,195.99, 289,970.55 and 124,097.31 is: 171,195.30
Step by Step Solution
- Step 1: Write the proportion equation
210,195.99 : 289,970.55 = 124,097.31 : x - Step 2: Convert to fraction form
210,195.99/289,970.55 = 124,097.31/x - Step 3: Cross multiply
210,195.99x = 289,970.55 × 124,097.31 - Step 4: Simplify right side
210,195.99x = 35,984,565,234.22 - Step 5: Solve for x
x = 35,984,565,234.22/210,195.99 - Step 6: Final answer
x = 171,195.30
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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.