Finding the Fourth Proportional to 176,406.76, 243,462.19 and 104,787.07
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Solution
The fourth proportional to 176,406.76, 243,462.19 and 104,787.07 is: 144,618.55
Step by Step Solution
- Step 1: Write the proportion equation
176,406.76 : 243,462.19 = 104,787.07 : x - Step 2: Convert to fraction form
176,406.76/243,462.19 = 104,787.07/x - Step 3: Cross multiply
176,406.76x = 243,462.19 × 104,787.07 - Step 4: Simplify right side
176,406.76x = 25,511,688,328.57 - Step 5: Solve for x
x = 25,511,688,328.57/176,406.76 - Step 6: Final answer
x = 144,618.55
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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.