Finding the Fourth Proportional to 210,202.65, 290,088.36 and 119,574.59
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Solution
The fourth proportional to 210,202.65, 290,088.36 and 119,574.59 is: 165,017.88
Step by Step Solution
- Step 1: Write the proportion equation
210,202.65 : 290,088.36 = 119,574.59 : x - Step 2: Convert to fraction form
210,202.65/290,088.36 = 119,574.59/x - Step 3: Cross multiply
210,202.65x = 290,088.36 × 119,574.59 - Step 4: Simplify right side
210,202.65x = 34,687,195,260.33 - Step 5: Solve for x
x = 34,687,195,260.33/210,202.65 - Step 6: Final answer
x = 165,017.88
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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.