Finding the Fourth Proportional to 458,918.44, 688,141.06 and 205,982.08
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Solution
The fourth proportional to 458,918.44, 688,141.06 and 205,982.08 is: 308,866.92
Step by Step Solution
- Step 1: Write the proportion equation
458,918.44 : 688,141.06 = 205,982.08 : x - Step 2: Convert to fraction form
458,918.44/688,141.06 = 205,982.08/x - Step 3: Cross multiply
458,918.44x = 688,141.06 × 205,982.08 - Step 4: Simplify right side
458,918.44x = 141,744,726,872.21 - Step 5: Solve for x
x = 141,744,726,872.21/458,918.44 - Step 6: Final answer
x = 308,866.92
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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.