Finding the Fourth Proportional to 349,089.75, 481,743.86 and 190,113.75
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Solution
The fourth proportional to 349,089.75, 481,743.86 and 190,113.75 is: 262,356.98
Step by Step Solution
- Step 1: Write the proportion equation
349,089.75 : 481,743.86 = 190,113.75 : x - Step 2: Convert to fraction form
349,089.75/481,743.86 = 190,113.75/x - Step 3: Cross multiply
349,089.75x = 481,743.86 × 190,113.75 - Step 4: Simplify right side
349,089.75x = 91,586,130,813.51 - Step 5: Solve for x
x = 91,586,130,813.51/349,089.75 - Step 6: Final answer
x = 262,356.98
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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.