Finding the Fourth Proportional to 302,270.20, 453,405.30 and 91,907.80
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Solution
The fourth proportional to 302,270.20, 453,405.30 and 91,907.80 is: 137,861.70
Step by Step Solution
- Step 1: Write the proportion equation
302,270.20 : 453,405.30 = 91,907.80 : x - Step 2: Convert to fraction form
302,270.20/453,405.30 = 91,907.80/x - Step 3: Cross multiply
302,270.20x = 453,405.30 × 91,907.80 - Step 4: Simplify right side
302,270.20x = 41,671,483,631.34 - Step 5: Solve for x
x = 41,671,483,631.34/302,270.20 - Step 6: Final answer
x = 137,861.70
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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.