Finding the Fourth Proportional to 210,533.27, 290,588.09 and 119,943.08
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Solution
The fourth proportional to 210,533.27, 290,588.09 and 119,943.08 is: 165,551.17
Step by Step Solution
- Step 1: Write the proportion equation
210,533.27 : 290,588.09 = 119,943.08 : x - Step 2: Convert to fraction form
210,533.27/290,588.09 = 119,943.08/x - Step 3: Cross multiply
210,533.27x = 290,588.09 × 119,943.08 - Step 4: Simplify right side
210,533.27x = 34,854,029,072.98 - Step 5: Solve for x
x = 34,854,029,072.98/210,533.27 - Step 6: Final answer
x = 165,551.17
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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.