Finding the Fourth Proportional to 464,438.37, 640,916.58 and 260,489.70
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Solution
The fourth proportional to 464,438.37, 640,916.58 and 260,489.70 is: 359,471.09
Step by Step Solution
- Step 1: Write the proportion equation
464,438.37 : 640,916.58 = 260,489.70 : x - Step 2: Convert to fraction form
464,438.37/640,916.58 = 260,489.70/x - Step 3: Cross multiply
464,438.37x = 640,916.58 × 260,489.70 - Step 4: Simplify right side
464,438.37x = 166,952,167,649.23 - Step 5: Solve for x
x = 166,952,167,649.23/464,438.37 - Step 6: Final answer
x = 359,471.09
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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.