Finding the Fourth Proportional to 210,257.12, 290,159.28 and 119,610.08
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Solution
The fourth proportional to 210,257.12, 290,159.28 and 119,610.08 is: 165,064.44
Step by Step Solution
- Step 1: Write the proportion equation
210,257.12 : 290,159.28 = 119,610.08 : x - Step 2: Convert to fraction form
210,257.12/290,159.28 = 119,610.08/x - Step 3: Cross multiply
210,257.12x = 290,159.28 × 119,610.08 - Step 4: Simplify right side
210,257.12x = 34,705,974,693.54 - Step 5: Solve for x
x = 34,705,974,693.54/210,257.12 - Step 6: Final answer
x = 165,064.44
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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.