Finding the Fourth Proportional to 276,969.60, 415,551.60 and 119,246.40
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Solution
The fourth proportional to 276,969.60, 415,551.60 and 119,246.40 is: 178,911.45
Step by Step Solution
- Step 1: Write the proportion equation
276,969.60 : 415,551.60 = 119,246.40 : x - Step 2: Convert to fraction form
276,969.60/415,551.60 = 119,246.40/x - Step 3: Cross multiply
276,969.60x = 415,551.60 × 119,246.40 - Step 4: Simplify right side
276,969.60x = 49,553,032,314.24 - Step 5: Solve for x
x = 49,553,032,314.24/276,969.60 - Step 6: Final answer
x = 178,911.45
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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.