Finding the Fourth Proportional to 210,101.99, 289,929.11 and 119,445.44
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Solution
The fourth proportional to 210,101.99, 289,929.11 and 119,445.44 is: 164,828.09
Step by Step Solution
- Step 1: Write the proportion equation
210,101.99 : 289,929.11 = 119,445.44 : x - Step 2: Convert to fraction form
210,101.99/289,929.11 = 119,445.44/x - Step 3: Cross multiply
210,101.99x = 289,929.11 × 119,445.44 - Step 4: Simplify right side
210,101.99x = 34,630,708,065.89 - Step 5: Solve for x
x = 34,630,708,065.89/210,101.99 - Step 6: Final answer
x = 164,828.09
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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.