Finding the Fourth Proportional to 371,642.40, 557,293.44 and 118,873.92
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Solution
The fourth proportional to 371,642.40, 557,293.44 and 118,873.92 is: 178,256.45
Step by Step Solution
- Step 1: Write the proportion equation
371,642.40 : 557,293.44 = 118,873.92 : x - Step 2: Convert to fraction form
371,642.40/557,293.44 = 118,873.92/x - Step 3: Cross multiply
371,642.40x = 557,293.44 × 118,873.92 - Step 4: Simplify right side
371,642.40x = 66,247,655,803.08 - Step 5: Solve for x
x = 66,247,655,803.08/371,642.40 - Step 6: Final answer
x = 178,256.45
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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.