Finding the Fourth Proportional to 302,521.20, 453,781.80 and 190,546.80
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Solution
The fourth proportional to 302,521.20, 453,781.80 and 190,546.80 is: 285,820.20
Step by Step Solution
- Step 1: Write the proportion equation
302,521.20 : 453,781.80 = 190,546.80 : x - Step 2: Convert to fraction form
302,521.20/453,781.80 = 190,546.80/x - Step 3: Cross multiply
302,521.20x = 453,781.80 × 190,546.80 - Step 4: Simplify right side
302,521.20x = 86,466,669,888.24 - Step 5: Solve for x
x = 86,466,669,888.24/302,521.20 - Step 6: Final answer
x = 285,820.20
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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.