Finding the Fourth Proportional to 156,088.62, 215,402.28 and 84,468.63
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Solution
The fourth proportional to 156,088.62, 215,402.28 and 84,468.63 is: 116,566.70
Step by Step Solution
- Step 1: Write the proportion equation
156,088.62 : 215,402.28 = 84,468.63 : x - Step 2: Convert to fraction form
156,088.62/215,402.28 = 84,468.63/x - Step 3: Cross multiply
156,088.62x = 215,402.28 × 84,468.63 - Step 4: Simplify right side
156,088.62x = 18,194,735,490.48 - Step 5: Solve for x
x = 18,194,735,490.48/156,088.62 - Step 6: Final answer
x = 116,566.70
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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.