Finding the Fourth Proportional to 155,717.64, 214,890.28 and 84,097.67
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Solution
The fourth proportional to 155,717.64, 214,890.28 and 84,097.67 is: 116,054.75
Step by Step Solution
- Step 1: Write the proportion equation
155,717.64 : 214,890.28 = 84,097.67 : x - Step 2: Convert to fraction form
155,717.64/214,890.28 = 84,097.67/x - Step 3: Cross multiply
155,717.64x = 214,890.28 × 84,097.67 - Step 4: Simplify right side
155,717.64x = 18,071,771,853.65 - Step 5: Solve for x
x = 18,071,771,853.65/155,717.64 - Step 6: Final answer
x = 116,054.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.