Finding the Fourth Proportional to 742,097.84, 1,113,192.90 and 268,787.30
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Solution
The fourth proportional to 742,097.84, 1,113,192.90 and 268,787.30 is: 403,197.66
Step by Step Solution
- Step 1: Write the proportion equation
742,097.84 : 1,113,192.90 = 268,787.30 : x - Step 2: Convert to fraction form
742,097.84/1,113,192.90 = 268,787.30/x - Step 3: Cross multiply
742,097.84x = 1,113,192.90 × 268,787.30 - Step 4: Simplify right side
742,097.84x = 299,212,108,404.21 - Step 5: Solve for x
x = 299,212,108,404.21/742,097.84 - Step 6: Final answer
x = 403,197.66
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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.