Finding the Fourth Proportional to 430,364.84, 645,546.16 and 130,844.12
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Solution
The fourth proportional to 430,364.84, 645,546.16 and 130,844.12 is: 196,265.85
Step by Step Solution
- Step 1: Write the proportion equation
430,364.84 : 645,546.16 = 130,844.12 : x - Step 2: Convert to fraction form
430,364.84/645,546.16 = 130,844.12/x - Step 3: Cross multiply
430,364.84x = 645,546.16 × 130,844.12 - Step 4: Simplify right side
430,364.84x = 84,465,919,224.58 - Step 5: Solve for x
x = 84,465,919,224.58/430,364.84 - Step 6: Final answer
x = 196,265.85
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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.