Finding the Fourth Proportional to 316,787.79, 475,252.61 and 106,419.99
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Solution
The fourth proportional to 316,787.79, 475,252.61 and 106,419.99 is: 159,653.81
Step by Step Solution
- Step 1: Write the proportion equation
316,787.79 : 475,252.61 = 106,419.99 : x - Step 2: Convert to fraction form
316,787.79/475,252.61 = 106,419.99/x - Step 3: Cross multiply
316,787.79x = 475,252.61 × 106,419.99 - Step 4: Simplify right side
316,787.79x = 50,576,377,471.57 - Step 5: Solve for x
x = 50,576,377,471.57/316,787.79 - Step 6: Final answer
x = 159,653.81
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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.