Finding the Fourth Proportional to 135,215.70, 202,823.55 and 60,335.70
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Solution
The fourth proportional to 135,215.70, 202,823.55 and 60,335.70 is: 90,503.55
Step by Step Solution
- Step 1: Write the proportion equation
135,215.70 : 202,823.55 = 60,335.70 : x - Step 2: Convert to fraction form
135,215.70/202,823.55 = 60,335.70/x - Step 3: Cross multiply
135,215.70x = 202,823.55 × 60,335.70 - Step 4: Simplify right side
135,215.70x = 12,237,500,865.74 - Step 5: Solve for x
x = 12,237,500,865.74/135,215.70 - Step 6: Final answer
x = 90,503.55
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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.