Finding the Fourth Proportional to 339,684.84, 509,529.08 and 103,027.75
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Solution
The fourth proportional to 339,684.84, 509,529.08 and 103,027.75 is: 154,542.17
Step by Step Solution
- Step 1: Write the proportion equation
339,684.84 : 509,529.08 = 103,027.75 : x - Step 2: Convert to fraction form
339,684.84/509,529.08 = 103,027.75/x - Step 3: Cross multiply
339,684.84x = 509,529.08 × 103,027.75 - Step 4: Simplify right side
339,684.84x = 52,495,633,655.72 - Step 5: Solve for x
x = 52,495,633,655.72/339,684.84 - Step 6: Final answer
x = 154,542.17
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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.