Finding the Fourth Proportional to 359,780.94, 539,572.88 and 135,123.99
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Solution
The fourth proportional to 359,780.94, 539,572.88 and 135,123.99 is: 202,648.98
Step by Step Solution
- Step 1: Write the proportion equation
359,780.94 : 539,572.88 = 135,123.99 : x - Step 2: Convert to fraction form
359,780.94/539,572.88 = 135,123.99/x - Step 3: Cross multiply
359,780.94x = 539,572.88 × 135,123.99 - Step 4: Simplify right side
359,780.94x = 72,909,239,765.77 - Step 5: Solve for x
x = 72,909,239,765.77/359,780.94 - Step 6: Final answer
x = 202,648.98
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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.