Finding the Fourth Proportional to 513,065.06, 769,722.16 and 158,079.07
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Solution
The fourth proportional to 513,065.06, 769,722.16 and 158,079.07 is: 237,156.99
Step by Step Solution
- Step 1: Write the proportion equation
513,065.06 : 769,722.16 = 158,079.07 : x - Step 2: Convert to fraction form
513,065.06/769,722.16 = 158,079.07/x - Step 3: Cross multiply
513,065.06x = 769,722.16 × 158,079.07 - Step 4: Simplify right side
513,065.06x = 121,676,964,370.94 - Step 5: Solve for x
x = 121,676,964,370.94/513,065.06 - Step 6: Final answer
x = 237,156.99
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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.