Finding the Fourth Proportional to 475,709.74, 656,823.84 and 306,239.08
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Solution
The fourth proportional to 475,709.74, 656,823.84 and 306,239.08 is: 422,831.64
Step by Step Solution
- Step 1: Write the proportion equation
475,709.74 : 656,823.84 = 306,239.08 : x - Step 2: Convert to fraction form
475,709.74/656,823.84 = 306,239.08/x - Step 3: Cross multiply
475,709.74x = 656,823.84 × 306,239.08 - Step 4: Simplify right side
475,709.74x = 201,145,128,483.67 - Step 5: Solve for x
x = 201,145,128,483.67/475,709.74 - Step 6: Final answer
x = 422,831.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.