Finding the Fourth Proportional to 425,492.96, 638,332.77 and 125,996.90
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Solution
The fourth proportional to 425,492.96, 638,332.77 and 125,996.90 is: 189,022.99
Step by Step Solution
- Step 1: Write the proportion equation
425,492.96 : 638,332.77 = 125,996.90 : x - Step 2: Convert to fraction form
425,492.96/638,332.77 = 125,996.90/x - Step 3: Cross multiply
425,492.96x = 638,332.77 × 125,996.90 - Step 4: Simplify right side
425,492.96x = 80,427,950,188.41 - Step 5: Solve for x
x = 80,427,950,188.41/425,492.96 - Step 6: Final answer
x = 189,022.99
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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.