Finding the Fourth Proportional to 373,574.08, 515,529.80 and 212,429.12
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Solution
The fourth proportional to 373,574.08, 515,529.80 and 212,429.12 is: 293,150.80
Step by Step Solution
- Step 1: Write the proportion equation
373,574.08 : 515,529.80 = 212,429.12 : x - Step 2: Convert to fraction form
373,574.08/515,529.80 = 212,429.12/x - Step 3: Cross multiply
373,574.08x = 515,529.80 × 212,429.12 - Step 4: Simplify right side
373,574.08x = 109,513,541,747.78 - Step 5: Solve for x
x = 109,513,541,747.78/373,574.08 - Step 6: Final answer
x = 293,150.80
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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.