Finding the Fourth Proportional to 134,292.70, 201,220.35 and 98,863.30
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Solution
The fourth proportional to 134,292.70, 201,220.35 and 98,863.30 is: 148,133.95
Step by Step Solution
- Step 1: Write the proportion equation
134,292.70 : 201,220.35 = 98,863.30 : x - Step 2: Convert to fraction form
134,292.70/201,220.35 = 98,863.30/x - Step 3: Cross multiply
134,292.70x = 201,220.35 × 98,863.30 - Step 4: Simplify right side
134,292.70x = 19,893,307,828.16 - Step 5: Solve for x
x = 19,893,307,828.16/134,292.70 - Step 6: Final answer
x = 148,133.95
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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.