Finding the Fourth Proportional to 302,455.20, 453,660.93 and 144,641.28
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Solution
The fourth proportional to 302,455.20, 453,660.93 and 144,641.28 is: 216,951.46
Step by Step Solution
- Step 1: Write the proportion equation
302,455.20 : 453,660.93 = 144,641.28 : x - Step 2: Convert to fraction form
302,455.20/453,660.93 = 144,641.28/x - Step 3: Cross multiply
302,455.20x = 453,660.93 × 144,641.28 - Step 4: Simplify right side
302,455.20x = 65,618,097,601.19 - Step 5: Solve for x
x = 65,618,097,601.19/302,455.20 - Step 6: Final answer
x = 216,951.46
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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.