Finding the Fourth Proportional to 509,405.07, 764,267.63 and 210,026.55
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Solution
The fourth proportional to 509,405.07, 764,267.63 and 210,026.55 is: 315,105.80
Step by Step Solution
- Step 1: Write the proportion equation
509,405.07 : 764,267.63 = 210,026.55 : x - Step 2: Convert to fraction form
509,405.07/764,267.63 = 210,026.55/x - Step 3: Cross multiply
509,405.07x = 764,267.63 × 210,026.55 - Step 4: Simplify right side
509,405.07x = 160,516,492,555.44 - Step 5: Solve for x
x = 160,516,492,555.44/509,405.07 - Step 6: Final answer
x = 315,105.80
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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.