Finding the Fourth Proportional to 403,358.31, 604,978.86 and 119,034.99
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Solution
The fourth proportional to 403,358.31, 604,978.86 and 119,034.99 is: 178,535.19
Step by Step Solution
- Step 1: Write the proportion equation
403,358.31 : 604,978.86 = 119,034.99 : x - Step 2: Convert to fraction form
403,358.31/604,978.86 = 119,034.99/x - Step 3: Cross multiply
403,358.31x = 604,978.86 × 119,034.99 - Step 4: Simplify right side
403,358.31x = 72,013,652,550.31 - Step 5: Solve for x
x = 72,013,652,550.31/403,358.31 - Step 6: Final answer
x = 178,535.19
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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.