Finding the Fourth Proportional to 372,580.05, 513,180.99 and 286,374.18
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Solution
The fourth proportional to 372,580.05, 513,180.99 and 286,374.18 is: 394,443.52
Step by Step Solution
- Step 1: Write the proportion equation
372,580.05 : 513,180.99 = 286,374.18 : x - Step 2: Convert to fraction form
372,580.05/513,180.99 = 286,374.18/x - Step 3: Cross multiply
372,580.05x = 513,180.99 × 286,374.18 - Step 4: Simplify right side
372,580.05x = 146,961,785,202.84 - Step 5: Solve for x
x = 146,961,785,202.84/372,580.05 - Step 6: Final answer
x = 394,443.52
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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.