Finding the Fourth Proportional to 484,983.15, 726,913.44 and 228,978.06
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Solution
The fourth proportional to 484,983.15, 726,913.44 and 228,978.06 is: 343,202.09
Step by Step Solution
- Step 1: Write the proportion equation
484,983.15 : 726,913.44 = 228,978.06 : x - Step 2: Convert to fraction form
484,983.15/726,913.44 = 228,978.06/x - Step 3: Cross multiply
484,983.15x = 726,913.44 × 228,978.06 - Step 4: Simplify right side
484,983.15x = 166,447,229,279.13 - Step 5: Solve for x
x = 166,447,229,279.13/484,983.15 - Step 6: Final answer
x = 343,202.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.