Finding the Fourth Proportional to 332,416.14, 461,831.20 and 328,430.33
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Solution
The fourth proportional to 332,416.14, 461,831.20 and 328,430.33 is: 456,293.65
Step by Step Solution
- Step 1: Write the proportion equation
332,416.14 : 461,831.20 = 328,430.33 : x - Step 2: Convert to fraction form
332,416.14/461,831.20 = 328,430.33/x - Step 3: Cross multiply
332,416.14x = 461,831.20 × 328,430.33 - Step 4: Simplify right side
332,416.14x = 151,679,374,574.87 - Step 5: Solve for x
x = 151,679,374,574.87/332,416.14 - Step 6: Final answer
x = 456,293.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.