Finding the Fourth Proportional to 199,330.07, 275,107.05 and 118,804.31
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Solution
The fourth proportional to 199,330.07, 275,107.05 and 118,804.31 is: 163,968.74
Step by Step Solution
- Step 1: Write the proportion equation
199,330.07 : 275,107.05 = 118,804.31 : x - Step 2: Convert to fraction form
199,330.07/275,107.05 = 118,804.31/x - Step 3: Cross multiply
199,330.07x = 275,107.05 × 118,804.31 - Step 4: Simplify right side
199,330.07x = 32,683,901,281.83 - Step 5: Solve for x
x = 32,683,901,281.83/199,330.07 - Step 6: Final answer
x = 163,968.74
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.