Finding the Fourth Proportional to 432,831.80, 649,247.70 and 283,532.60
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Solution
The fourth proportional to 432,831.80, 649,247.70 and 283,532.60 is: 425,298.90
Step by Step Solution
- Step 1: Write the proportion equation
432,831.80 : 649,247.70 = 283,532.60 : x - Step 2: Convert to fraction form
432,831.80/649,247.70 = 283,532.60/x - Step 3: Cross multiply
432,831.80x = 649,247.70 × 283,532.60 - Step 4: Simplify right side
432,831.80x = 184,082,888,425.02 - Step 5: Solve for x
x = 184,082,888,425.02/432,831.80 - Step 6: Final answer
x = 425,298.90
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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.