Finding the Fourth Proportional to 113,230.16, 156,260.04 and 62,928.08
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Solution
The fourth proportional to 113,230.16, 156,260.04 and 62,928.08 is: 86,842.09
Step by Step Solution
- Step 1: Write the proportion equation
113,230.16 : 156,260.04 = 62,928.08 : x - Step 2: Convert to fraction form
113,230.16/156,260.04 = 62,928.08/x - Step 3: Cross multiply
113,230.16x = 156,260.04 × 62,928.08 - Step 4: Simplify right side
113,230.16x = 9,833,144,297.92 - Step 5: Solve for x
x = 9,833,144,297.92/113,230.16 - Step 6: Final answer
x = 86,842.09
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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.