Finding the Fourth Proportional to 512,746.12, 769,246.06 and 213,136.84
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Solution
The fourth proportional to 512,746.12, 769,246.06 and 213,136.84 is: 319,758.00
Step by Step Solution
- Step 1: Write the proportion equation
512,746.12 : 769,246.06 = 213,136.84 : x - Step 2: Convert to fraction form
512,746.12/769,246.06 = 213,136.84/x - Step 3: Cross multiply
512,746.12x = 769,246.06 × 213,136.84 - Step 4: Simplify right side
512,746.12x = 163,954,674,410.85 - Step 5: Solve for x
x = 163,954,674,410.85/512,746.12 - Step 6: Final answer
x = 319,758.00
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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.