Finding the Fourth Proportional to 302,077.80, 453,102.30 and 102,378.60
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Solution
The fourth proportional to 302,077.80, 453,102.30 and 102,378.60 is: 153,563.02
Step by Step Solution
- Step 1: Write the proportion equation
302,077.80 : 453,102.30 = 102,378.60 : x - Step 2: Convert to fraction form
302,077.80/453,102.30 = 102,378.60/x - Step 3: Cross multiply
302,077.80x = 453,102.30 × 102,378.60 - Step 4: Simplify right side
302,077.80x = 46,387,979,130.78 - Step 5: Solve for x
x = 46,387,979,130.78/302,077.80 - Step 6: Final answer
x = 153,563.02
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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.