Finding the Fourth Proportional to 310,576.10, 465,907.35 and 133,081.70
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Solution
The fourth proportional to 310,576.10, 465,907.35 and 133,081.70 is: 199,641.06
Step by Step Solution
- Step 1: Write the proportion equation
310,576.10 : 465,907.35 = 133,081.70 : x - Step 2: Convert to fraction form
310,576.10/465,907.35 = 133,081.70/x - Step 3: Cross multiply
310,576.10x = 465,907.35 × 133,081.70 - Step 4: Simplify right side
310,576.10x = 62,003,742,180.50 - Step 5: Solve for x
x = 62,003,742,180.50/310,576.10 - Step 6: Final answer
x = 199,641.06
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1.5x scale
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.