Finding the Fourth Proportional to 509,496.57, 764,252.19 and 193,970.79
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Solution
The fourth proportional to 509,496.57, 764,252.19 and 193,970.79 is: 290,958.98
Step by Step Solution
- Step 1: Write the proportion equation
509,496.57 : 764,252.19 = 193,970.79 : x - Step 2: Convert to fraction form
509,496.57/764,252.19 = 193,970.79/x - Step 3: Cross multiply
509,496.57x = 764,252.19 × 193,970.79 - Step 4: Simplify right side
509,496.57x = 148,242,601,053.53 - Step 5: Solve for x
x = 148,242,601,053.53/509,496.57 - Step 6: Final answer
x = 290,958.98
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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.