Finding the Fourth Proportional to 429,990.87, 593,372.28 and 236,397.18
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Solution
The fourth proportional to 429,990.87, 593,372.28 and 236,397.18 is: 326,219.80
Step by Step Solution
- Step 1: Write the proportion equation
429,990.87 : 593,372.28 = 236,397.18 : x - Step 2: Convert to fraction form
429,990.87/593,372.28 = 236,397.18/x - Step 3: Cross multiply
429,990.87x = 593,372.28 × 236,397.18 - Step 4: Simplify right side
429,990.87x = 140,271,533,682.17 - Step 5: Solve for x
x = 140,271,533,682.17/429,990.87 - Step 6: Final answer
x = 326,219.80
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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.