Finding the Fourth Proportional to 336,484.14, 464,398.47 and 215,761.74
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Solution
The fourth proportional to 336,484.14, 464,398.47 and 215,761.74 is: 297,783.49
Step by Step Solution
- Step 1: Write the proportion equation
336,484.14 : 464,398.47 = 215,761.74 : x - Step 2: Convert to fraction form
336,484.14/464,398.47 = 215,761.74/x - Step 3: Cross multiply
336,484.14x = 464,398.47 × 215,761.74 - Step 4: Simplify right side
336,484.14x = 100,199,421,940.54 - Step 5: Solve for x
x = 100,199,421,940.54/336,484.14 - Step 6: Final answer
x = 297,783.49
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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.