Finding the Fourth Proportional to 350,454.58, 525,681.81 and 84,215.09
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Solution
The fourth proportional to 350,454.58, 525,681.81 and 84,215.09 is: 126,322.62
Step by Step Solution
- Step 1: Write the proportion equation
350,454.58 : 525,681.81 = 84,215.09 : x - Step 2: Convert to fraction form
350,454.58/525,681.81 = 84,215.09/x - Step 3: Cross multiply
350,454.58x = 525,681.81 × 84,215.09 - Step 4: Simplify right side
350,454.58x = 44,270,340,519.44 - Step 5: Solve for x
x = 44,270,340,519.44/350,454.58 - Step 6: Final answer
x = 126,322.62
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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.