Finding the Fourth Proportional to 141,011.81, 211,412.52 and 84,838.75
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Solution
The fourth proportional to 141,011.81, 211,412.52 and 84,838.75 is: 127,194.84
Step by Step Solution
- Step 1: Write the proportion equation
141,011.81 : 211,412.52 = 84,838.75 : x - Step 2: Convert to fraction form
141,011.81/211,412.52 = 84,838.75/x - Step 3: Cross multiply
141,011.81x = 211,412.52 × 84,838.75 - Step 4: Simplify right side
141,011.81x = 17,935,973,931.15 - Step 5: Solve for x
x = 17,935,973,931.15/141,011.81 - Step 6: Final answer
x = 127,194.84
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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.