Finding the Fourth Proportional to 474,858.42, 712,324.68 and 137,904.60
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Solution
The fourth proportional to 474,858.42, 712,324.68 and 137,904.60 is: 206,867.66
Step by Step Solution
- Step 1: Write the proportion equation
474,858.42 : 712,324.68 = 137,904.60 : x - Step 2: Convert to fraction form
474,858.42/712,324.68 = 137,904.60/x - Step 3: Cross multiply
474,858.42x = 712,324.68 × 137,904.60 - Step 4: Simplify right side
474,858.42x = 98,232,850,065.53 - Step 5: Solve for x
x = 98,232,850,065.53/474,858.42 - Step 6: Final answer
x = 206,867.66
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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.