Finding the Fourth Proportional to 637,115.11, 879,209.72 and 350,635.19
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Solution
The fourth proportional to 637,115.11, 879,209.72 and 350,635.19 is: 483,871.54
Step by Step Solution
- Step 1: Write the proportion equation
637,115.11 : 879,209.72 = 350,635.19 : x - Step 2: Convert to fraction form
637,115.11/879,209.72 = 350,635.19/x - Step 3: Cross multiply
637,115.11x = 879,209.72 × 350,635.19 - Step 4: Simplify right side
637,115.11x = 308,281,867,222.05 - Step 5: Solve for x
x = 308,281,867,222.05/637,115.11 - Step 6: Final answer
x = 483,871.54
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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.