Finding the Fourth Proportional to 210,283.06, 290,186.88 and 119,637.08
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Solution
The fourth proportional to 210,283.06, 290,186.88 and 119,637.08 is: 165,097.03
Step by Step Solution
- Step 1: Write the proportion equation
210,283.06 : 290,186.88 = 119,637.08 : x - Step 2: Convert to fraction form
210,283.06/290,186.88 = 119,637.08/x - Step 3: Cross multiply
210,283.06x = 290,186.88 × 119,637.08 - Step 4: Simplify right side
210,283.06x = 34,717,109,526.58 - Step 5: Solve for x
x = 34,717,109,526.58/210,283.06 - Step 6: Final answer
x = 165,097.03
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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.