Finding the Fourth Proportional to 832,965.81, 1,249,448.72 and 201,879.62
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Solution
The fourth proportional to 832,965.81, 1,249,448.72 and 201,879.62 is: 302,819.43
Step by Step Solution
- Step 1: Write the proportion equation
832,965.81 : 1,249,448.72 = 201,879.62 : x - Step 2: Convert to fraction form
832,965.81/1,249,448.72 = 201,879.62/x - Step 3: Cross multiply
832,965.81x = 1,249,448.72 × 201,879.62 - Step 4: Simplify right side
832,965.81x = 252,238,232,803.09 - Step 5: Solve for x
x = 252,238,232,803.09/832,965.81 - Step 6: Final answer
x = 302,819.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.