Finding the Fourth Proportional to 251,767.74, 347,448.27 and 137,055.84
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Solution
The fourth proportional to 251,767.74, 347,448.27 and 137,055.84 is: 189,141.84
Step by Step Solution
- Step 1: Write the proportion equation
251,767.74 : 347,448.27 = 137,055.84 : x - Step 2: Convert to fraction form
251,767.74/347,448.27 = 137,055.84/x - Step 3: Cross multiply
251,767.74x = 347,448.27 × 137,055.84 - Step 4: Simplify right side
251,767.74x = 47,619,814,501.40 - Step 5: Solve for x
x = 47,619,814,501.40/251,767.74 - Step 6: Final answer
x = 189,141.84
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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.