Finding the Fourth Proportional to 618,998.65, 928,435.73 and 169,764.68
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Solution
The fourth proportional to 618,998.65, 928,435.73 and 169,764.68 is: 254,629.95
Step by Step Solution
- Step 1: Write the proportion equation
618,998.65 : 928,435.73 = 169,764.68 : x - Step 2: Convert to fraction form
618,998.65/928,435.73 = 169,764.68/x - Step 3: Cross multiply
618,998.65x = 928,435.73 × 169,764.68 - Step 4: Simplify right side
618,998.65x = 157,615,596,076.28 - Step 5: Solve for x
x = 157,615,596,076.28/618,998.65 - Step 6: Final answer
x = 254,629.95
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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.