Finding the Fourth Proportional to 165,272.98, 247,865.19 and 71,756.50
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Solution
The fourth proportional to 165,272.98, 247,865.19 and 71,756.50 is: 107,615.52
Step by Step Solution
- Step 1: Write the proportion equation
165,272.98 : 247,865.19 = 71,756.50 : x - Step 2: Convert to fraction form
165,272.98/247,865.19 = 71,756.50/x - Step 3: Cross multiply
165,272.98x = 247,865.19 × 71,756.50 - Step 4: Simplify right side
165,272.98x = 17,785,938,506.24 - Step 5: Solve for x
x = 17,785,938,506.24/165,272.98 - Step 6: Final answer
x = 107,615.52
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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.