Finding the Fourth Proportional to 156,220.17, 215,583.41 and 84,600.18
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Solution
The fourth proportional to 156,220.17, 215,583.41 and 84,600.18 is: 116,748.02
Step by Step Solution
- Step 1: Write the proportion equation
156,220.17 : 215,583.41 = 84,600.18 : x - Step 2: Convert to fraction form
156,220.17/215,583.41 = 84,600.18/x - Step 3: Cross multiply
156,220.17x = 215,583.41 × 84,600.18 - Step 4: Simplify right side
156,220.17x = 18,238,395,291.01 - Step 5: Solve for x
x = 18,238,395,291.01/156,220.17 - Step 6: Final answer
x = 116,748.02
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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.