Finding the Fourth Proportional to 307,754.06, 424,698.99 and 171,780.14
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Solution
The fourth proportional to 307,754.06, 424,698.99 and 171,780.14 is: 237,055.69
Step by Step Solution
- Step 1: Write the proportion equation
307,754.06 : 424,698.99 = 171,780.14 : x - Step 2: Convert to fraction form
307,754.06/424,698.99 = 171,780.14/x - Step 3: Cross multiply
307,754.06x = 424,698.99 × 171,780.14 - Step 4: Simplify right side
307,754.06x = 72,954,851,960.06 - Step 5: Solve for x
x = 72,954,851,960.06/307,754.06 - Step 6: Final answer
x = 237,055.69
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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.