Finding the Fourth Proportional to 372,468.21, 558,707.52 and 106,228.68
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Solution
The fourth proportional to 372,468.21, 558,707.52 and 106,228.68 is: 159,344.50
Step by Step Solution
- Step 1: Write the proportion equation
372,468.21 : 558,707.52 = 106,228.68 : x - Step 2: Convert to fraction form
372,468.21/558,707.52 = 106,228.68/x - Step 3: Cross multiply
372,468.21x = 558,707.52 × 106,228.68 - Step 4: Simplify right side
372,468.21x = 59,350,762,355.67 - Step 5: Solve for x
x = 59,350,762,355.67/372,468.21 - Step 6: Final answer
x = 159,344.50
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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.