Finding the Fourth Proportional to 349,102.20, 523,653.30 and 313,672.80
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Solution
The fourth proportional to 349,102.20, 523,653.30 and 313,672.80 is: 470,509.20
Step by Step Solution
- Step 1: Write the proportion equation
349,102.20 : 523,653.30 = 313,672.80 : x - Step 2: Convert to fraction form
349,102.20/523,653.30 = 313,672.80/x - Step 3: Cross multiply
349,102.20x = 523,653.30 × 313,672.80 - Step 4: Simplify right side
349,102.20x = 164,255,796,840.24 - Step 5: Solve for x
x = 164,255,796,840.24/349,102.20 - Step 6: Final answer
x = 470,509.20
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1.5x scale
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.