Finding the Fourth Proportional to 331,641.69, 457,677.77 and 188,425.99
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Solution
The fourth proportional to 331,641.69, 457,677.77 and 188,425.99 is: 260,034.82
Step by Step Solution
- Step 1: Write the proportion equation
331,641.69 : 457,677.77 = 188,425.99 : x - Step 2: Convert to fraction form
331,641.69/457,677.77 = 188,425.99/x - Step 3: Cross multiply
331,641.69x = 457,677.77 × 188,425.99 - Step 4: Simplify right side
331,641.69x = 86,238,386,913.24 - Step 5: Solve for x
x = 86,238,386,913.24/331,641.69 - Step 6: Final answer
x = 260,034.82
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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.