Finding the Fourth Proportional to 338,841.84, 508,306.86 and 102,208.44
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Solution
The fourth proportional to 338,841.84, 508,306.86 and 102,208.44 is: 153,325.96
Step by Step Solution
- Step 1: Write the proportion equation
338,841.84 : 508,306.86 = 102,208.44 : x - Step 2: Convert to fraction form
338,841.84/508,306.86 = 102,208.44/x - Step 3: Cross multiply
338,841.84x = 508,306.86 × 102,208.44 - Step 4: Simplify right side
338,841.84x = 51,953,251,201.90 - Step 5: Solve for x
x = 51,953,251,201.90/338,841.84 - Step 6: Final answer
x = 153,325.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.