Finding the Fourth Proportional to 614,321.76, 921,420.36 and 164,984.23
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Solution
The fourth proportional to 614,321.76, 921,420.36 and 164,984.23 is: 247,459.62
Step by Step Solution
- Step 1: Write the proportion equation
614,321.76 : 921,420.36 = 164,984.23 : x - Step 2: Convert to fraction form
614,321.76/921,420.36 = 164,984.23/x - Step 3: Cross multiply
614,321.76x = 921,420.36 × 164,984.23 - Step 4: Simplify right side
614,321.76x = 152,019,828,600.92 - Step 5: Solve for x
x = 152,019,828,600.92/614,321.76 - Step 6: Final answer
x = 247,459.62
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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.