Finding the Fourth Proportional to 509,617.08, 764,425.98 and 130,539.24
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Solution
The fourth proportional to 509,617.08, 764,425.98 and 130,539.24 is: 195,808.95
Step by Step Solution
- Step 1: Write the proportion equation
509,617.08 : 764,425.98 = 130,539.24 : x - Step 2: Convert to fraction form
509,617.08/764,425.98 = 130,539.24/x - Step 3: Cross multiply
509,617.08x = 764,425.98 × 130,539.24 - Step 4: Simplify right side
509,617.08x = 99,787,586,465.46 - Step 5: Solve for x
x = 99,787,586,465.46/509,617.08 - Step 6: Final answer
x = 195,808.95
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1.5x scale
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.