Finding the Fourth Proportional to 408,889.98, 564,263.99 and 225,122.75
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Solution
The fourth proportional to 408,889.98, 564,263.99 and 225,122.75 is: 310,667.09
Step by Step Solution
- Step 1: Write the proportion equation
408,889.98 : 564,263.99 = 225,122.75 : x - Step 2: Convert to fraction form
408,889.98/564,263.99 = 225,122.75/x - Step 3: Cross multiply
408,889.98x = 564,263.99 × 225,122.75 - Step 4: Simplify right side
408,889.98x = 127,028,660,029.16 - Step 5: Solve for x
x = 127,028,660,029.16/408,889.98 - Step 6: Final answer
x = 310,667.09
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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.