Finding the Fourth Proportional to 210,044.21, 290,102.99 and 152,938.94
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Solution
The fourth proportional to 210,044.21, 290,102.99 and 152,938.94 is: 211,231.92
Step by Step Solution
- Step 1: Write the proportion equation
210,044.21 : 290,102.99 = 152,938.94 : x - Step 2: Convert to fraction form
210,044.21/290,102.99 = 152,938.94/x - Step 3: Cross multiply
210,044.21x = 290,102.99 × 152,938.94 - Step 4: Simplify right side
210,044.21x = 44,368,041,566.22 - Step 5: Solve for x
x = 44,368,041,566.22/210,044.21 - Step 6: Final answer
x = 211,231.92
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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.