Finding the Fourth Proportional to 247,395.12, 341,405.93 and 134,217.87
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Solution
The fourth proportional to 247,395.12, 341,405.93 and 134,217.87 is: 185,221.02
Step by Step Solution
- Step 1: Write the proportion equation
247,395.12 : 341,405.93 = 134,217.87 : x - Step 2: Convert to fraction form
247,395.12/341,405.93 = 134,217.87/x - Step 3: Cross multiply
247,395.12x = 341,405.93 × 134,217.87 - Step 4: Simplify right side
247,395.12x = 45,822,776,058.88 - Step 5: Solve for x
x = 45,822,776,058.88/247,395.12 - Step 6: Final answer
x = 185,221.02
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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.