Finding the Fourth Proportional to 245,368.26, 368,009.70 and 79,156.26
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Solution
The fourth proportional to 245,368.26, 368,009.70 and 79,156.26 is: 118,720.62
Step by Step Solution
- Step 1: Write the proportion equation
245,368.26 : 368,009.70 = 79,156.26 : x - Step 2: Convert to fraction form
245,368.26/368,009.70 = 79,156.26/x - Step 3: Cross multiply
245,368.26x = 368,009.70 × 79,156.26 - Step 4: Simplify right side
245,368.26x = 29,130,271,495.72 - Step 5: Solve for x
x = 29,130,271,495.72/245,368.26 - Step 6: Final answer
x = 118,720.62
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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.