Finding the Fourth Proportional to 246,998.90, 340,854.06 and 139,566.63
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Solution
The fourth proportional to 246,998.90, 340,854.06 and 139,566.63 is: 192,599.45
Step by Step Solution
- Step 1: Write the proportion equation
246,998.90 : 340,854.06 = 139,566.63 : x - Step 2: Convert to fraction form
246,998.90/340,854.06 = 139,566.63/x - Step 3: Cross multiply
246,998.90x = 340,854.06 × 139,566.63 - Step 4: Simplify right side
246,998.90x = 47,571,851,778.18 - Step 5: Solve for x
x = 47,571,851,778.18/246,998.90 - Step 6: Final answer
x = 192,599.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.