Finding the Fourth Proportional to 570,188.47, 855,184.22 and 170,721.99
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Solution
The fourth proportional to 570,188.47, 855,184.22 and 170,721.99 is: 256,053.49
Step by Step Solution
- Step 1: Write the proportion equation
570,188.47 : 855,184.22 = 170,721.99 : x - Step 2: Convert to fraction form
570,188.47/855,184.22 = 170,721.99/x - Step 3: Cross multiply
570,188.47x = 855,184.22 × 170,721.99 - Step 4: Simplify right side
570,188.47x = 145,998,751,079.94 - Step 5: Solve for x
x = 145,998,751,079.94/570,188.47 - Step 6: Final answer
x = 256,053.49
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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.