Finding the Fourth Proportional to 113,638.04, 156,821.58 and 62,652.80
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Solution
The fourth proportional to 113,638.04, 156,821.58 and 62,652.80 is: 86,461.46
Step by Step Solution
- Step 1: Write the proportion equation
113,638.04 : 156,821.58 = 62,652.80 : x - Step 2: Convert to fraction form
113,638.04/156,821.58 = 62,652.80/x - Step 3: Cross multiply
113,638.04x = 156,821.58 × 62,652.80 - Step 4: Simplify right side
113,638.04x = 9,825,311,087.42 - Step 5: Solve for x
x = 9,825,311,087.42/113,638.04 - Step 6: Final answer
x = 86,461.46
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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.