Finding the Fourth Proportional to 307,064.47, 460,855.49 and 129,698.77
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Solution
The fourth proportional to 307,064.47, 460,855.49 and 129,698.77 is: 194,657.46
Step by Step Solution
- Step 1: Write the proportion equation
307,064.47 : 460,855.49 = 129,698.77 : x - Step 2: Convert to fraction form
307,064.47/460,855.49 = 129,698.77/x - Step 3: Cross multiply
307,064.47x = 460,855.49 × 129,698.77 - Step 4: Simplify right side
307,064.47x = 59,772,390,200.75 - Step 5: Solve for x
x = 59,772,390,200.75/307,064.47 - Step 6: Final answer
x = 194,657.46
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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.