Finding the Fourth Proportional to 430,863.84, 646,591.01 and 150,381.09
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Solution
The fourth proportional to 430,863.84, 646,591.01 and 150,381.09 is: 225,674.68
Step by Step Solution
- Step 1: Write the proportion equation
430,863.84 : 646,591.01 = 150,381.09 : x - Step 2: Convert to fraction form
430,863.84/646,591.01 = 150,381.09/x - Step 3: Cross multiply
430,863.84x = 646,591.01 × 150,381.09 - Step 4: Simplify right side
430,863.84x = 97,235,060,116.10 - Step 5: Solve for x
x = 97,235,060,116.10/430,863.84 - Step 6: Final answer
x = 225,674.68
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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.