Finding the Fourth Proportional to 247,237.64, 341,231.62 and 145,263.08
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Solution
The fourth proportional to 247,237.64, 341,231.62 and 145,263.08 is: 200,488.71
Step by Step Solution
- Step 1: Write the proportion equation
247,237.64 : 341,231.62 = 145,263.08 : x - Step 2: Convert to fraction form
247,237.64/341,231.62 = 145,263.08/x - Step 3: Cross multiply
247,237.64x = 341,231.62 × 145,263.08 - Step 4: Simplify right side
247,237.64x = 49,568,356,114.59 - Step 5: Solve for x
x = 49,568,356,114.59/247,237.64 - Step 6: Final answer
x = 200,488.71
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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.