Finding the Fourth Proportional to 155,106.70, 217,444.63 and 155,106.70
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Solution
The fourth proportional to 155,106.70, 217,444.63 and 155,106.70 is: 217,444.63
Step by Step Solution
- Step 1: Write the proportion equation
155,106.70 : 217,444.63 = 155,106.70 : x - Step 2: Convert to fraction form
155,106.70/217,444.63 = 155,106.70/x - Step 3: Cross multiply
155,106.70x = 217,444.63 × 155,106.70 - Step 4: Simplify right side
155,106.70x = 33,727,118,992.02 - Step 5: Solve for x
x = 33,727,118,992.02/155,106.70 - Step 6: Final answer
x = 217,444.63
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.