Finding the Fourth Proportional to 214,987.10, 322,483.35 and 57,214.58
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Solution
The fourth proportional to 214,987.10, 322,483.35 and 57,214.58 is: 85,822.59
Step by Step Solution
- Step 1: Write the proportion equation
214,987.10 : 322,483.35 = 57,214.58 : x - Step 2: Convert to fraction form
214,987.10/322,483.35 = 57,214.58/x - Step 3: Cross multiply
214,987.10x = 322,483.35 × 57,214.58 - Step 4: Simplify right side
214,987.10x = 18,450,749,427.24 - Step 5: Solve for x
x = 18,450,749,427.24/214,987.10 - Step 6: Final answer
x = 85,822.59
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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.