Finding the Fourth Proportional to 276,426.66, 381,467.99 and 155,567.94
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Solution
The fourth proportional to 276,426.66, 381,467.99 and 155,567.94 is: 214,683.31
Step by Step Solution
- Step 1: Write the proportion equation
276,426.66 : 381,467.99 = 155,567.94 : x - Step 2: Convert to fraction form
276,426.66/381,467.99 = 155,567.94/x - Step 3: Cross multiply
276,426.66x = 381,467.99 × 155,567.94 - Step 4: Simplify right side
276,426.66x = 59,344,189,380.24 - Step 5: Solve for x
x = 59,344,189,380.24/276,426.66 - Step 6: Final answer
x = 214,683.31
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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.