Finding the Fourth Proportional to 302,368.40, 453,115.20 and 133,750.70
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Solution
The fourth proportional to 302,368.40, 453,115.20 and 133,750.70 is: 200,432.57
Step by Step Solution
- Step 1: Write the proportion equation
302,368.40 : 453,115.20 = 133,750.70 : x - Step 2: Convert to fraction form
302,368.40/453,115.20 = 133,750.70/x - Step 3: Cross multiply
302,368.40x = 453,115.20 × 133,750.70 - Step 4: Simplify right side
302,368.40x = 60,604,475,180.64 - Step 5: Solve for x
x = 60,604,475,180.64/302,368.40 - Step 6: Final answer
x = 200,432.57
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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.