Finding the Fourth Proportional to 328,303.09, 453,058.28 and 177,400.09
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Solution
The fourth proportional to 328,303.09, 453,058.28 and 177,400.09 is: 244,812.13
Step by Step Solution
- Step 1: Write the proportion equation
328,303.09 : 453,058.28 = 177,400.09 : x - Step 2: Convert to fraction form
328,303.09/453,058.28 = 177,400.09/x - Step 3: Cross multiply
328,303.09x = 453,058.28 × 177,400.09 - Step 4: Simplify right side
328,303.09x = 80,372,579,647.25 - Step 5: Solve for x
x = 80,372,579,647.25/328,303.09 - Step 6: Final answer
x = 244,812.13
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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.