Finding the Fourth Proportional to 134,659.67, 201,989.16 and 39,897.23
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Solution
The fourth proportional to 134,659.67, 201,989.16 and 39,897.23 is: 59,845.74
Step by Step Solution
- Step 1: Write the proportion equation
134,659.67 : 201,989.16 = 39,897.23 : x - Step 2: Convert to fraction form
134,659.67/201,989.16 = 39,897.23/x - Step 3: Cross multiply
134,659.67x = 201,989.16 × 39,897.23 - Step 4: Simplify right side
134,659.67x = 8,058,806,964.08 - Step 5: Solve for x
x = 8,058,806,964.08/134,659.67 - Step 6: Final answer
x = 59,845.74
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.