Finding the Fourth Proportional to 143,248.20, 214,738.76 and 48,412.08
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Solution
The fourth proportional to 143,248.20, 214,738.76 and 48,412.08 is: 72,572.99
Step by Step Solution
- Step 1: Write the proportion equation
143,248.20 : 214,738.76 = 48,412.08 : x - Step 2: Convert to fraction form
143,248.20/214,738.76 = 48,412.08/x - Step 3: Cross multiply
143,248.20x = 214,738.76 × 48,412.08 - Step 4: Simplify right side
143,248.20x = 10,395,950,028.22 - Step 5: Solve for x
x = 10,395,950,028.22/143,248.20 - Step 6: Final answer
x = 72,572.99
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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.