Finding the Fourth Proportional to 292,756.39, 438,835.29 and 166,129.09
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Solution
The fourth proportional to 292,756.39, 438,835.29 and 166,129.09 is: 249,023.80
Step by Step Solution
- Step 1: Write the proportion equation
292,756.39 : 438,835.29 = 166,129.09 : x - Step 2: Convert to fraction form
292,756.39/438,835.29 = 166,129.09/x - Step 3: Cross multiply
292,756.39x = 438,835.29 × 166,129.09 - Step 4: Simplify right side
292,756.39x = 72,903,307,387.59 - Step 5: Solve for x
x = 72,903,307,387.59/292,756.39 - Step 6: Final answer
x = 249,023.80
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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.