Finding the Fourth Proportional to 313,525.06, 432,657.44 and 170,282.02
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Solution
The fourth proportional to 313,525.06, 432,657.44 and 170,282.02 is: 234,985.31
Step by Step Solution
- Step 1: Write the proportion equation
313,525.06 : 432,657.44 = 170,282.02 : x - Step 2: Convert to fraction form
313,525.06/432,657.44 = 170,282.02/x - Step 3: Cross multiply
313,525.06x = 432,657.44 × 170,282.02 - Step 4: Simplify right side
313,525.06x = 73,673,782,851.23 - Step 5: Solve for x
x = 73,673,782,851.23/313,525.06 - Step 6: Final answer
x = 234,985.31
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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.