Finding the Fourth Proportional to 134,121.42, 201,129.28 and 48,712.08
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Solution
The fourth proportional to 134,121.42, 201,129.28 and 48,712.08 is: 73,048.93
Step by Step Solution
- Step 1: Write the proportion equation
134,121.42 : 201,129.28 = 48,712.08 : x - Step 2: Convert to fraction form
134,121.42/201,129.28 = 48,712.08/x - Step 3: Cross multiply
134,121.42x = 201,129.28 × 48,712.08 - Step 4: Simplify right side
134,121.42x = 9,797,426,210.16 - Step 5: Solve for x
x = 9,797,426,210.16/134,121.42 - Step 6: Final answer
x = 73,048.93
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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.