Finding the Fourth Proportional to 134,862.70, 202,294.05 and 84,999.10
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Solution
The fourth proportional to 134,862.70, 202,294.05 and 84,999.10 is: 127,498.65
Step by Step Solution
- Step 1: Write the proportion equation
134,862.70 : 202,294.05 = 84,999.10 : x - Step 2: Convert to fraction form
134,862.70/202,294.05 = 84,999.10/x - Step 3: Cross multiply
134,862.70x = 202,294.05 × 84,999.10 - Step 4: Simplify right side
134,862.70x = 17,194,812,185.36 - Step 5: Solve for x
x = 17,194,812,185.36/134,862.70 - Step 6: Final answer
x = 127,498.65
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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.