Finding the Fourth Proportional to 307,269.05, 424,032.98 and 171,311.49
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Solution
The fourth proportional to 307,269.05, 424,032.98 and 171,311.49 is: 236,410.80
Step by Step Solution
- Step 1: Write the proportion equation
307,269.05 : 424,032.98 = 171,311.49 : x - Step 2: Convert to fraction form
307,269.05/424,032.98 = 171,311.49/x - Step 3: Cross multiply
307,269.05x = 424,032.98 × 171,311.49 - Step 4: Simplify right side
307,269.05x = 72,641,720,756.38 - Step 5: Solve for x
x = 72,641,720,756.38/307,269.05 - Step 6: Final answer
x = 236,410.80
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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.