Finding the Fourth Proportional to 224,595.23, 309,993.44 and 129,156.98
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Solution
The fourth proportional to 224,595.23, 309,993.44 and 129,156.98 is: 178,266.54
Step by Step Solution
- Step 1: Write the proportion equation
224,595.23 : 309,993.44 = 129,156.98 : x - Step 2: Convert to fraction form
224,595.23/309,993.44 = 129,156.98/x - Step 3: Cross multiply
224,595.23x = 309,993.44 × 129,156.98 - Step 4: Simplify right side
224,595.23x = 40,037,814,334.46 - Step 5: Solve for x
x = 40,037,814,334.46/224,595.23 - Step 6: Final answer
x = 178,266.54
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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.