Finding the Fourth Proportional to 292,038.09, 438,134.76 and 92,362.02
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Solution
The fourth proportional to 292,038.09, 438,134.76 and 92,362.02 is: 138,567.58
Step by Step Solution
- Step 1: Write the proportion equation
292,038.09 : 438,134.76 = 92,362.02 : x - Step 2: Convert to fraction form
292,038.09/438,134.76 = 92,362.02/x - Step 3: Cross multiply
292,038.09x = 438,134.76 × 92,362.02 - Step 4: Simplify right side
292,038.09x = 40,467,011,465.82 - Step 5: Solve for x
x = 40,467,011,465.82/292,038.09 - Step 6: Final answer
x = 138,567.58
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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.