Finding the Fourth Proportional to 316,232.02, 436,423.86 and 180,269.20
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Solution
The fourth proportional to 316,232.02, 436,423.86 and 180,269.20 is: 248,784.99
Step by Step Solution
- Step 1: Write the proportion equation
316,232.02 : 436,423.86 = 180,269.20 : x - Step 2: Convert to fraction form
316,232.02/436,423.86 = 180,269.20/x - Step 3: Cross multiply
316,232.02x = 436,423.86 × 180,269.20 - Step 4: Simplify right side
316,232.02x = 78,673,780,103.11 - Step 5: Solve for x
x = 78,673,780,103.11/316,232.02 - Step 6: Final answer
x = 248,784.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.