Finding the Fourth Proportional to 228,562.87, 315,417.67 and 133,135.15
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Solution
The fourth proportional to 228,562.87, 315,417.67 and 133,135.15 is: 183,727.04
Step by Step Solution
- Step 1: Write the proportion equation
228,562.87 : 315,417.67 = 133,135.15 : x - Step 2: Convert to fraction form
228,562.87/315,417.67 = 133,135.15/x - Step 3: Cross multiply
228,562.87x = 315,417.67 × 133,135.15 - Step 4: Simplify right side
228,562.87x = 41,993,179,763.06 - Step 5: Solve for x
x = 41,993,179,763.06/228,562.87 - Step 6: Final answer
x = 183,727.04
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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.