Finding the Fourth Proportional to 359,377.97, 538,909.08 and 134,580.74
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Solution
The fourth proportional to 359,377.97, 538,909.08 and 134,580.74 is: 201,811.99
Step by Step Solution
- Step 1: Write the proportion equation
359,377.97 : 538,909.08 = 134,580.74 : x - Step 2: Convert to fraction form
359,377.97/538,909.08 = 134,580.74/x - Step 3: Cross multiply
359,377.97x = 538,909.08 × 134,580.74 - Step 4: Simplify right side
359,377.97x = 72,526,782,106.22 - Step 5: Solve for x
x = 72,526,782,106.22/359,377.97 - Step 6: Final answer
x = 201,811.99
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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.