Finding the Fourth Proportional to 552,965.13, 763,093.44 and 311,251.41
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Solution
The fourth proportional to 552,965.13, 763,093.44 and 311,251.41 is: 429,527.82
Step by Step Solution
- Step 1: Write the proportion equation
552,965.13 : 763,093.44 = 311,251.41 : x - Step 2: Convert to fraction form
552,965.13/763,093.44 = 311,251.41/x - Step 3: Cross multiply
552,965.13x = 763,093.44 × 311,251.41 - Step 4: Simplify right side
552,965.13x = 237,513,909,161.75 - Step 5: Solve for x
x = 237,513,909,161.75/552,965.13 - Step 6: Final answer
x = 429,527.82
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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.