Finding the Fourth Proportional to 251,054.44, 346,457.86 and 137,877.19
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Solution
The fourth proportional to 251,054.44, 346,457.86 and 137,877.19 is: 190,272.02
Step by Step Solution
- Step 1: Write the proportion equation
251,054.44 : 346,457.86 = 137,877.19 : x - Step 2: Convert to fraction form
251,054.44/346,457.86 = 137,877.19/x - Step 3: Cross multiply
251,054.44x = 346,457.86 × 137,877.19 - Step 4: Simplify right side
251,054.44x = 47,768,634,979.38 - Step 5: Solve for x
x = 47,768,634,979.38/251,054.44 - Step 6: Final answer
x = 190,272.02
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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.