Finding the Fourth Proportional to 659,414.99, 988,984.06 and 185,989.63
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Solution
The fourth proportional to 659,414.99, 988,984.06 and 185,989.63 is: 278,945.40
Step by Step Solution
- Step 1: Write the proportion equation
659,414.99 : 988,984.06 = 185,989.63 : x - Step 2: Convert to fraction form
659,414.99/988,984.06 = 185,989.63/x - Step 3: Cross multiply
659,414.99x = 988,984.06 × 185,989.63 - Step 4: Simplify right side
659,414.99x = 183,940,779,358.40 - Step 5: Solve for x
x = 183,940,779,358.40/659,414.99 - Step 6: Final answer
x = 278,945.40
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.