Finding the Fourth Proportional to 224,737.06, 310,134.81 and 129,241.30
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Solution
The fourth proportional to 224,737.06, 310,134.81 and 129,241.30 is: 178,351.65
Step by Step Solution
- Step 1: Write the proportion equation
224,737.06 : 310,134.81 = 129,241.30 : x - Step 2: Convert to fraction form
224,737.06/310,134.81 = 129,241.30/x - Step 3: Cross multiply
224,737.06x = 310,134.81 × 129,241.30 - Step 4: Simplify right side
224,737.06x = 40,082,226,019.65 - Step 5: Solve for x
x = 40,082,226,019.65/224,737.06 - Step 6: Final answer
x = 178,351.65
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1.5x scale
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.