Finding the Fourth Proportional to 145,928.92, 201,373.23 and 84,670.38
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Solution
The fourth proportional to 145,928.92, 201,373.23 and 84,670.38 is: 116,840.09
Step by Step Solution
- Step 1: Write the proportion equation
145,928.92 : 201,373.23 = 84,670.38 : x - Step 2: Convert to fraction form
145,928.92/201,373.23 = 84,670.38/x - Step 3: Cross multiply
145,928.92x = 201,373.23 × 84,670.38 - Step 4: Simplify right side
145,928.92x = 17,050,347,905.93 - Step 5: Solve for x
x = 17,050,347,905.93/145,928.92 - Step 6: Final answer
x = 116,840.09
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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.