Finding the Fourth Proportional to 134,775.30, 202,329.35 and 84,855.30
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Solution
The fourth proportional to 134,775.30, 202,329.35 and 84,855.30 is: 127,387.72
Step by Step Solution
- Step 1: Write the proportion equation
134,775.30 : 202,329.35 = 84,855.30 : x - Step 2: Convert to fraction form
134,775.30/202,329.35 = 84,855.30/x - Step 3: Cross multiply
134,775.30x = 202,329.35 × 84,855.30 - Step 4: Simplify right side
134,775.30x = 17,168,717,693.06 - Step 5: Solve for x
x = 17,168,717,693.06/134,775.30 - Step 6: Final answer
x = 127,387.72
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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.