Finding the Fourth Proportional to 415,282.74, 623,001.69 and 285,996.75
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Solution
The fourth proportional to 415,282.74, 623,001.69 and 285,996.75 is: 429,048.55
Step by Step Solution
- Step 1: Write the proportion equation
415,282.74 : 623,001.69 = 285,996.75 : x - Step 2: Convert to fraction form
415,282.74/623,001.69 = 285,996.75/x - Step 3: Cross multiply
415,282.74x = 623,001.69 × 285,996.75 - Step 4: Simplify right side
415,282.74x = 178,176,458,584.51 - Step 5: Solve for x
x = 178,176,458,584.51/415,282.74 - Step 6: Final answer
x = 429,048.55
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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.