Finding the Fourth Proportional to 253,129.28, 349,371.68 and 210,646.08
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Solution
The fourth proportional to 253,129.28, 349,371.68 and 210,646.08 is: 290,735.92
Step by Step Solution
- Step 1: Write the proportion equation
253,129.28 : 349,371.68 = 210,646.08 : x - Step 2: Convert to fraction form
253,129.28/349,371.68 = 210,646.08/x - Step 3: Cross multiply
253,129.28x = 349,371.68 × 210,646.08 - Step 4: Simplify right side
253,129.28x = 73,593,774,855.01 - Step 5: Solve for x
x = 73,593,774,855.01/253,129.28 - Step 6: Final answer
x = 290,735.92
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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.