Finding the Fourth Proportional to 98,480.96, 135,887.70 and 58,189.12
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Solution
The fourth proportional to 98,480.96, 135,887.70 and 58,189.12 is: 80,291.52
Step by Step Solution
- Step 1: Write the proportion equation
98,480.96 : 135,887.70 = 58,189.12 : x - Step 2: Convert to fraction form
98,480.96/135,887.70 = 58,189.12/x - Step 3: Cross multiply
98,480.96x = 135,887.70 × 58,189.12 - Step 4: Simplify right side
98,480.96x = 7,907,185,681.82 - Step 5: Solve for x
x = 7,907,185,681.82/98,480.96 - Step 6: Final answer
x = 80,291.52
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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.