Finding the Fourth Proportional to 656,345.80, 984,518.70 and 157,709.80
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Solution
The fourth proportional to 656,345.80, 984,518.70 and 157,709.80 is: 236,564.70
Step by Step Solution
- Step 1: Write the proportion equation
656,345.80 : 984,518.70 = 157,709.80 : x - Step 2: Convert to fraction form
656,345.80/984,518.70 = 157,709.80/x - Step 3: Cross multiply
656,345.80x = 984,518.70 × 157,709.80 - Step 4: Simplify right side
656,345.80x = 155,268,247,273.26 - Step 5: Solve for x
x = 155,268,247,273.26/656,345.80 - Step 6: Final answer
x = 236,564.70
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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.