Finding the Fourth Proportional to 155,257.80, 232,886.70 and 155,257.80
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Solution
The fourth proportional to 155,257.80, 232,886.70 and 155,257.80 is: 232,886.70
Step by Step Solution
- Step 1: Write the proportion equation
155,257.80 : 232,886.70 = 155,257.80 : x - Step 2: Convert to fraction form
155,257.80/232,886.70 = 155,257.80/x - Step 3: Cross multiply
155,257.80x = 232,886.70 × 155,257.80 - Step 4: Simplify right side
155,257.80x = 36,157,476,691.26 - Step 5: Solve for x
x = 36,157,476,691.26/155,257.80 - Step 6: Final answer
x = 232,886.70
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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.