Finding the Fourth Proportional to 289,762.93, 399,869.08 and 162,437.41
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Solution
The fourth proportional to 289,762.93, 399,869.08 and 162,437.41 is: 224,161.52
Step by Step Solution
- Step 1: Write the proportion equation
289,762.93 : 399,869.08 = 162,437.41 : x - Step 2: Convert to fraction form
289,762.93/399,869.08 = 162,437.41/x - Step 3: Cross multiply
289,762.93x = 399,869.08 × 162,437.41 - Step 4: Simplify right side
289,762.93x = 64,953,697,694.28 - Step 5: Solve for x
x = 64,953,697,694.28/289,762.93 - Step 6: Final answer
x = 224,161.52
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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.