Finding the Fourth Proportional to 210,747.02, 290,824.99 and 115,251.67
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Solution
The fourth proportional to 210,747.02, 290,824.99 and 115,251.67 is: 159,044.07
Step by Step Solution
- Step 1: Write the proportion equation
210,747.02 : 290,824.99 = 115,251.67 : x - Step 2: Convert to fraction form
210,747.02/290,824.99 = 115,251.67/x - Step 3: Cross multiply
210,747.02x = 290,824.99 × 115,251.67 - Step 4: Simplify right side
210,747.02x = 33,518,064,321.11 - Step 5: Solve for x
x = 33,518,064,321.11/210,747.02 - Step 6: Final answer
x = 159,044.07
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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.