Finding the Fourth Proportional to 305,541.84, 458,448.12 and 118,567.44
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Solution
The fourth proportional to 305,541.84, 458,448.12 and 118,567.44 is: 177,903.69
Step by Step Solution
- Step 1: Write the proportion equation
305,541.84 : 458,448.12 = 118,567.44 : x - Step 2: Convert to fraction form
305,541.84/458,448.12 = 118,567.44/x - Step 3: Cross multiply
305,541.84x = 458,448.12 × 118,567.44 - Step 4: Simplify right side
305,541.84x = 54,357,019,961.21 - Step 5: Solve for x
x = 54,357,019,961.21/305,541.84 - Step 6: Final answer
x = 177,903.69
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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.