Finding the Fourth Proportional to 134,019.84, 201,029.88 and 40,525.68
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Solution
The fourth proportional to 134,019.84, 201,029.88 and 40,525.68 is: 60,788.56
Step by Step Solution
- Step 1: Write the proportion equation
134,019.84 : 201,029.88 = 40,525.68 : x - Step 2: Convert to fraction form
134,019.84/201,029.88 = 40,525.68/x - Step 3: Cross multiply
134,019.84x = 201,029.88 × 40,525.68 - Step 4: Simplify right side
134,019.84x = 8,146,872,587.32 - Step 5: Solve for x
x = 8,146,872,587.32/134,019.84 - Step 6: Final answer
x = 60,788.56
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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.