Finding the Fourth Proportional to 307,800.83, 424,723.95 and 171,814.99
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Solution
The fourth proportional to 307,800.83, 424,723.95 and 171,814.99 is: 237,081.69
Step by Step Solution
- Step 1: Write the proportion equation
307,800.83 : 424,723.95 = 171,814.99 : x - Step 2: Convert to fraction form
307,800.83/424,723.95 = 171,814.99/x - Step 3: Cross multiply
307,800.83x = 424,723.95 × 171,814.99 - Step 4: Simplify right side
307,800.83x = 72,973,941,222.01 - Step 5: Solve for x
x = 72,973,941,222.01/307,800.83 - Step 6: Final answer
x = 237,081.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.