Finding the Fourth Proportional to 408,073.70, 612,110.55 and 108,553.70
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Solution
The fourth proportional to 408,073.70, 612,110.55 and 108,553.70 is: 162,830.55
Step by Step Solution
- Step 1: Write the proportion equation
408,073.70 : 612,110.55 = 108,553.70 : x - Step 2: Convert to fraction form
408,073.70/612,110.55 = 108,553.70/x - Step 3: Cross multiply
408,073.70x = 612,110.55 × 108,553.70 - Step 4: Simplify right side
408,073.70x = 66,446,865,011.54 - Step 5: Solve for x
x = 66,446,865,011.54/408,073.70 - Step 6: Final answer
x = 162,830.55
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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.