Finding the Fourth Proportional to 189,309.80, 283,881.50 and 70,898.08
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Solution
The fourth proportional to 189,309.80, 283,881.50 and 70,898.08 is: 106,315.96
Step by Step Solution
- Step 1: Write the proportion equation
189,309.80 : 283,881.50 = 70,898.08 : x - Step 2: Convert to fraction form
189,309.80/283,881.50 = 70,898.08/x - Step 3: Cross multiply
189,309.80x = 283,881.50 × 70,898.08 - Step 4: Simplify right side
189,309.80x = 20,126,653,297.52 - Step 5: Solve for x
x = 20,126,653,297.52/189,309.80 - Step 6: Final answer
x = 106,315.96
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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.