Finding the Fourth Proportional to 292,359.63, 438,539.46 and 70,743.63
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Solution
The fourth proportional to 292,359.63, 438,539.46 and 70,743.63 is: 106,115.45
Step by Step Solution
- Step 1: Write the proportion equation
292,359.63 : 438,539.46 = 70,743.63 : x - Step 2: Convert to fraction form
292,359.63/438,539.46 = 70,743.63/x - Step 3: Cross multiply
292,359.63x = 438,539.46 × 70,743.63 - Step 4: Simplify right side
292,359.63x = 31,023,873,298.64 - Step 5: Solve for x
x = 31,023,873,298.64/292,359.63 - Step 6: Final answer
x = 106,115.45
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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.