Finding the Fourth Proportional to 245,579.07, 368,368.74 and 77,098.65
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Solution
The fourth proportional to 245,579.07, 368,368.74 and 77,098.65 is: 115,648.02
Step by Step Solution
- Step 1: Write the proportion equation
245,579.07 : 368,368.74 = 77,098.65 : x - Step 2: Convert to fraction form
245,579.07/368,368.74 = 77,098.65/x - Step 3: Cross multiply
245,579.07x = 368,368.74 × 77,098.65 - Step 4: Simplify right side
245,579.07x = 28,400,732,556.20 - Step 5: Solve for x
x = 28,400,732,556.20/245,579.07 - Step 6: Final answer
x = 115,648.02
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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.