Finding the Fourth Proportional to 402,230.91, 603,346.26 and 102,700.80
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Solution
The fourth proportional to 402,230.91, 603,346.26 and 102,700.80 is: 154,051.17
Step by Step Solution
- Step 1: Write the proportion equation
402,230.91 : 603,346.26 = 102,700.80 : x - Step 2: Convert to fraction form
402,230.91/603,346.26 = 102,700.80/x - Step 3: Cross multiply
402,230.91x = 603,346.26 × 102,700.80 - Step 4: Simplify right side
402,230.91x = 61,964,143,579.01 - Step 5: Solve for x
x = 61,964,143,579.01/402,230.91 - Step 6: Final answer
x = 154,051.17
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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.