Finding the Fourth Proportional to 509,122.68, 763,722.29 and 154,165.29
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Solution
The fourth proportional to 509,122.68, 763,722.29 and 154,165.29 is: 231,259.52
Step by Step Solution
- Step 1: Write the proportion equation
509,122.68 : 763,722.29 = 154,165.29 : x - Step 2: Convert to fraction form
509,122.68/763,722.29 = 154,165.29/x - Step 3: Cross multiply
509,122.68x = 763,722.29 × 154,165.29 - Step 4: Simplify right side
509,122.68x = 117,739,468,317.31 - Step 5: Solve for x
x = 117,739,468,317.31/509,122.68 - Step 6: Final answer
x = 231,259.52
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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.