Finding the Fourth Proportional to 542,113.08, 748,132.44 and 300,373.05
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Solution
The fourth proportional to 542,113.08, 748,132.44 and 300,373.05 is: 414,523.89
Step by Step Solution
- Step 1: Write the proportion equation
542,113.08 : 748,132.44 = 300,373.05 : x - Step 2: Convert to fraction form
542,113.08/748,132.44 = 300,373.05/x - Step 3: Cross multiply
542,113.08x = 748,132.44 × 300,373.05 - Step 4: Simplify right side
542,113.08x = 224,718,822,806.74 - Step 5: Solve for x
x = 224,718,822,806.74/542,113.08 - Step 6: Final answer
x = 414,523.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.