Finding the Fourth Proportional to 260,862.63, 390,582.54 and 197,491.05
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Solution
The fourth proportional to 260,862.63, 390,582.54 and 197,491.05 is: 295,697.99
Step by Step Solution
- Step 1: Write the proportion equation
260,862.63 : 390,582.54 = 197,491.05 : x - Step 2: Convert to fraction form
260,862.63/390,582.54 = 197,491.05/x - Step 3: Cross multiply
260,862.63x = 390,582.54 × 197,491.05 - Step 4: Simplify right side
260,862.63x = 77,136,555,936.27 - Step 5: Solve for x
x = 77,136,555,936.27/260,862.63 - Step 6: Final answer
x = 295,697.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.