Finding the Fourth Proportional to 425,426.86, 637,914.57 and 125,866.18
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Solution
The fourth proportional to 425,426.86, 637,914.57 and 125,866.18 is: 188,732.49
Step by Step Solution
- Step 1: Write the proportion equation
425,426.86 : 637,914.57 = 125,866.18 : x - Step 2: Convert to fraction form
425,426.86/637,914.57 = 125,866.18/x - Step 3: Cross multiply
425,426.86x = 637,914.57 × 125,866.18 - Step 4: Simplify right side
425,426.86x = 80,291,870,092.24 - Step 5: Solve for x
x = 80,291,870,092.24/425,426.86 - Step 6: Final answer
x = 188,732.49
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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.