Finding the Fourth Proportional to 292,358.63, 438,537.96 and 70,742.63
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Solution
The fourth proportional to 292,358.63, 438,537.96 and 70,742.63 is: 106,113.94
Step by Step Solution
- Step 1: Write the proportion equation
292,358.63 : 438,537.96 = 70,742.63 : x - Step 2: Convert to fraction form
292,358.63/438,537.96 = 70,742.63/x - Step 3: Cross multiply
292,358.63x = 438,537.96 × 70,742.63 - Step 4: Simplify right side
292,358.63x = 31,023,326,098.83 - Step 5: Solve for x
x = 31,023,326,098.83/292,358.63 - Step 6: Final answer
x = 106,113.94
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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.