Finding the Fourth Proportional to 234,415.52, 323,491.68 and 133,813.28
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Solution
The fourth proportional to 234,415.52, 323,491.68 and 133,813.28 is: 184,661.33
Step by Step Solution
- Step 1: Write the proportion equation
234,415.52 : 323,491.68 = 133,813.28 : x - Step 2: Convert to fraction form
234,415.52/323,491.68 = 133,813.28/x - Step 3: Cross multiply
234,415.52x = 323,491.68 × 133,813.28 - Step 4: Simplify right side
234,415.52x = 43,287,482,753.51 - Step 5: Solve for x
x = 43,287,482,753.51/234,415.52 - Step 6: Final answer
x = 184,661.33
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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.