Finding the Fourth Proportional to 415,072.44, 619,169.34 and 402,836.17
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Solution
The fourth proportional to 415,072.44, 619,169.34 and 402,836.17 is: 600,916.33
Step by Step Solution
- Step 1: Write the proportion equation
415,072.44 : 619,169.34 = 402,836.17 : x - Step 2: Convert to fraction form
415,072.44/619,169.34 = 402,836.17/x - Step 3: Cross multiply
415,072.44x = 619,169.34 × 402,836.17 - Step 4: Simplify right side
415,072.44x = 249,423,805,507.03 - Step 5: Solve for x
x = 249,423,805,507.03/415,072.44 - Step 6: Final answer
x = 600,916.33
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.