Finding the Fourth Proportional to 135,005.20, 202,507.80 and 41,510.95
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Solution
The fourth proportional to 135,005.20, 202,507.80 and 41,510.95 is: 62,266.43
Step by Step Solution
- Step 1: Write the proportion equation
135,005.20 : 202,507.80 = 41,510.95 : x - Step 2: Convert to fraction form
135,005.20/202,507.80 = 41,510.95/x - Step 3: Cross multiply
135,005.20x = 202,507.80 × 41,510.95 - Step 4: Simplify right side
135,005.20x = 8,406,291,160.41 - Step 5: Solve for x
x = 8,406,291,160.41/135,005.20 - Step 6: Final answer
x = 62,266.43
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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.