Finding the Fourth Proportional to 397,886.42, 596,829.26 and 117,381.62
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Solution
The fourth proportional to 397,886.42, 596,829.26 and 117,381.62 is: 176,072.32
Step by Step Solution
- Step 1: Write the proportion equation
397,886.42 : 596,829.26 = 117,381.62 : x - Step 2: Convert to fraction form
397,886.42/596,829.26 = 117,381.62/x - Step 3: Cross multiply
397,886.42x = 596,829.26 × 117,381.62 - Step 4: Simplify right side
397,886.42x = 70,056,785,402.20 - Step 5: Solve for x
x = 70,056,785,402.20/397,886.42 - Step 6: Final answer
x = 176,072.32
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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.