Finding the Fourth Proportional to 323,930.12, 446,782.57 and 237,862.08
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Solution
The fourth proportional to 323,930.12, 446,782.57 and 237,862.08 is: 328,072.71
Step by Step Solution
- Step 1: Write the proportion equation
323,930.12 : 446,782.57 = 237,862.08 : x - Step 2: Convert to fraction form
323,930.12/446,782.57 = 237,862.08/x - Step 3: Cross multiply
323,930.12x = 446,782.57 × 237,862.08 - Step 4: Simplify right side
323,930.12x = 106,272,630,813.29 - Step 5: Solve for x
x = 106,272,630,813.29/323,930.12 - Step 6: Final answer
x = 328,072.71
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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.