Finding the Fourth Proportional to 251,039.93, 346,435.08 and 136,318.01
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Solution
The fourth proportional to 251,039.93, 346,435.08 and 136,318.01 is: 188,118.84
Step by Step Solution
- Step 1: Write the proportion equation
251,039.93 : 346,435.08 = 136,318.01 : x - Step 2: Convert to fraction form
251,039.93/346,435.08 = 136,318.01/x - Step 3: Cross multiply
251,039.93x = 346,435.08 × 136,318.01 - Step 4: Simplify right side
251,039.93x = 47,225,340,699.79 - Step 5: Solve for x
x = 47,225,340,699.79/251,039.93 - Step 6: Final answer
x = 188,118.84
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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.