Finding the Fourth Proportional to 387,384.98, 580,744.67 and 134,632.63
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Solution
The fourth proportional to 387,384.98, 580,744.67 and 134,632.63 is: 201,833.28
Step by Step Solution
- Step 1: Write the proportion equation
387,384.98 : 580,744.67 = 134,632.63 : x - Step 2: Convert to fraction form
387,384.98/580,744.67 = 134,632.63/x - Step 3: Cross multiply
387,384.98x = 580,744.67 × 134,632.63 - Step 4: Simplify right side
387,384.98x = 78,187,182,280.58 - Step 5: Solve for x
x = 78,187,182,280.58/387,384.98 - Step 6: Final answer
x = 201,833.28
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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.