Finding the Fourth Proportional to 276,880.14, 382,094.58 and 149,555.76
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Solution
The fourth proportional to 276,880.14, 382,094.58 and 149,555.76 is: 206,386.94
Step by Step Solution
- Step 1: Write the proportion equation
276,880.14 : 382,094.58 = 149,555.76 : x - Step 2: Convert to fraction form
276,880.14/382,094.58 = 149,555.76/x - Step 3: Cross multiply
276,880.14x = 382,094.58 × 149,555.76 - Step 4: Simplify right side
276,880.14x = 57,144,445,303.78 - Step 5: Solve for x
x = 57,144,445,303.78/276,880.14 - Step 6: Final answer
x = 206,386.94
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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.