Finding the Fourth Proportional to 467,533.81, 645,044.74 and 286,056.55
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Solution
The fourth proportional to 467,533.81, 645,044.74 and 286,056.55 is: 394,665.09
Step by Step Solution
- Step 1: Write the proportion equation
467,533.81 : 645,044.74 = 286,056.55 : x - Step 2: Convert to fraction form
467,533.81/645,044.74 = 286,056.55/x - Step 3: Cross multiply
467,533.81x = 645,044.74 × 286,056.55 - Step 4: Simplify right side
467,533.81x = 184,519,272,920.05 - Step 5: Solve for x
x = 184,519,272,920.05/467,533.81 - Step 6: Final answer
x = 394,665.09
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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.