Finding the Fourth Proportional to 531,885.17, 733,986.97 and 290,167.68
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Solution
The fourth proportional to 531,885.17, 733,986.97 and 290,167.68 is: 400,423.45
Step by Step Solution
- Step 1: Write the proportion equation
531,885.17 : 733,986.97 = 290,167.68 : x - Step 2: Convert to fraction form
531,885.17/733,986.97 = 290,167.68/x - Step 3: Cross multiply
531,885.17x = 733,986.97 × 290,167.68 - Step 4: Simplify right side
531,885.17x = 212,979,295,509.71 - Step 5: Solve for x
x = 212,979,295,509.71/531,885.17 - Step 6: Final answer
x = 400,423.45
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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.