Finding the Fourth Proportional to 509,599.01, 764,395.68 and 130,519.01
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Solution
The fourth proportional to 509,599.01, 764,395.68 and 130,519.01 is: 195,777.79
Step by Step Solution
- Step 1: Write the proportion equation
509,599.01 : 764,395.68 = 130,519.01 : x - Step 2: Convert to fraction form
509,599.01/764,395.68 = 130,519.01/x - Step 3: Cross multiply
509,599.01x = 764,395.68 × 130,519.01 - Step 4: Simplify right side
509,599.01x = 99,768,169,802.31 - Step 5: Solve for x
x = 99,768,169,802.31/509,599.01 - Step 6: Final answer
x = 195,777.79
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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.