Finding the Fourth Proportional to 252,900.44, 348,998.52 and 138,176.63
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Solution
The fourth proportional to 252,900.44, 348,998.52 and 138,176.63 is: 190,681.52
Step by Step Solution
- Step 1: Write the proportion equation
252,900.44 : 348,998.52 = 138,176.63 : x - Step 2: Convert to fraction form
252,900.44/348,998.52 = 138,176.63/x - Step 3: Cross multiply
252,900.44x = 348,998.52 × 138,176.63 - Step 4: Simplify right side
252,900.44x = 48,223,439,368.59 - Step 5: Solve for x
x = 48,223,439,368.59/252,900.44 - Step 6: Final answer
x = 190,681.52
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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.