Finding the Fourth Proportional to 429,129.44, 592,138.18 and 257,007.07
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Solution
The fourth proportional to 429,129.44, 592,138.18 and 257,007.07 is: 354,633.55
Step by Step Solution
- Step 1: Write the proportion equation
429,129.44 : 592,138.18 = 257,007.07 : x - Step 2: Convert to fraction form
429,129.44/592,138.18 = 257,007.07/x - Step 3: Cross multiply
429,129.44x = 592,138.18 × 257,007.07 - Step 4: Simplify right side
429,129.44x = 152,183,698,676.93 - Step 5: Solve for x
x = 152,183,698,676.93/429,129.44 - Step 6: Final answer
x = 354,633.55
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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.