Finding the Fourth Proportional to 458,294.14, 687,025.68 and 247,686.04
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Solution
The fourth proportional to 458,294.14, 687,025.68 and 247,686.04 is: 371,304.49
Step by Step Solution
- Step 1: Write the proportion equation
458,294.14 : 687,025.68 = 247,686.04 : x - Step 2: Convert to fraction form
458,294.14/687,025.68 = 247,686.04/x - Step 3: Cross multiply
458,294.14x = 687,025.68 × 247,686.04 - Step 4: Simplify right side
458,294.14x = 170,166,670,057.51 - Step 5: Solve for x
x = 170,166,670,057.51/458,294.14 - Step 6: Final answer
x = 371,304.49
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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.