Finding the Fourth Proportional to 135,298.71, 202,967.51 and 41,811.75
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Solution
The fourth proportional to 135,298.71, 202,967.51 and 41,811.75 is: 62,723.63
Step by Step Solution
- Step 1: Write the proportion equation
135,298.71 : 202,967.51 = 41,811.75 : x - Step 2: Convert to fraction form
135,298.71/202,967.51 = 41,811.75/x - Step 3: Cross multiply
135,298.71x = 202,967.51 × 41,811.75 - Step 4: Simplify right side
135,298.71x = 8,486,426,577.18 - Step 5: Solve for x
x = 8,486,426,577.18/135,298.71 - Step 6: Final answer
x = 62,723.63
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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.