Finding the Fourth Proportional to 341,988.46, 513,037.84 and 105,331.06
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Solution
The fourth proportional to 341,988.46, 513,037.84 and 105,331.06 is: 158,013.58
Step by Step Solution
- Step 1: Write the proportion equation
341,988.46 : 513,037.84 = 105,331.06 : x - Step 2: Convert to fraction form
341,988.46/513,037.84 = 105,331.06/x - Step 3: Cross multiply
341,988.46x = 513,037.84 × 105,331.06 - Step 4: Simplify right side
341,988.46x = 54,038,819,507.31 - Step 5: Solve for x
x = 54,038,819,507.31/341,988.46 - Step 6: Final answer
x = 158,013.58
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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.