Finding the Fourth Proportional to 313,120.06, 469,681.50 and 133,159.12
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Solution
The fourth proportional to 313,120.06, 469,681.50 and 133,159.12 is: 199,739.28
Step by Step Solution
- Step 1: Write the proportion equation
313,120.06 : 469,681.50 = 133,159.12 : x - Step 2: Convert to fraction form
313,120.06/469,681.50 = 133,159.12/x - Step 3: Cross multiply
313,120.06x = 469,681.50 × 133,159.12 - Step 4: Simplify right side
313,120.06x = 62,542,372,871.87 - Step 5: Solve for x
x = 62,542,372,871.87/313,120.06 - Step 6: Final answer
x = 199,739.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.