Finding the Fourth Proportional to 134,298.70, 201,229.35 and 98,869.30
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Solution
The fourth proportional to 134,298.70, 201,229.35 and 98,869.30 is: 148,142.95
Step by Step Solution
- Step 1: Write the proportion equation
134,298.70 : 201,229.35 = 98,869.30 : x - Step 2: Convert to fraction form
134,298.70/201,229.35 = 98,869.30/x - Step 3: Cross multiply
134,298.70x = 201,229.35 × 98,869.30 - Step 4: Simplify right side
134,298.70x = 19,895,404,973.96 - Step 5: Solve for x
x = 19,895,404,973.96/134,298.70 - Step 6: Final answer
x = 148,142.95
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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.