Finding the Fourth Proportional to 429,536.87, 592,774.44 and 257,398.10
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Solution
The fourth proportional to 429,536.87, 592,774.44 and 257,398.10 is: 355,217.50
Step by Step Solution
- Step 1: Write the proportion equation
429,536.87 : 592,774.44 = 257,398.10 : x - Step 2: Convert to fraction form
429,536.87/592,774.44 = 257,398.10/x - Step 3: Cross multiply
429,536.87x = 592,774.44 × 257,398.10 - Step 4: Simplify right side
429,536.87x = 152,579,014,584.56 - Step 5: Solve for x
x = 152,579,014,584.56/429,536.87 - Step 6: Final answer
x = 355,217.50
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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.