Finding the Fourth Proportional to 145,853.08, 201,295.58 and 85,446.77
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Solution
The fourth proportional to 145,853.08, 201,295.58 and 85,446.77 is: 117,927.29
Step by Step Solution
- Step 1: Write the proportion equation
145,853.08 : 201,295.58 = 85,446.77 : x - Step 2: Convert to fraction form
145,853.08/201,295.58 = 85,446.77/x - Step 3: Cross multiply
145,853.08x = 201,295.58 × 85,446.77 - Step 4: Simplify right side
145,853.08x = 17,200,057,871.63 - Step 5: Solve for x
x = 17,200,057,871.63/145,853.08 - Step 6: Final answer
x = 117,927.29
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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.