Finding the Fourth Proportional to 542,541.48, 748,708.76 and 300,841.08
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Solution
The fourth proportional to 542,541.48, 748,708.76 and 300,841.08 is: 415,161.53
Step by Step Solution
- Step 1: Write the proportion equation
542,541.48 : 748,708.76 = 300,841.08 : x - Step 2: Convert to fraction form
542,541.48/748,708.76 = 300,841.08/x - Step 3: Cross multiply
542,541.48x = 748,708.76 × 300,841.08 - Step 4: Simplify right side
542,541.48x = 225,242,351,963.86 - Step 5: Solve for x
x = 225,242,351,963.86/542,541.48 - Step 6: Final answer
x = 415,161.53
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1.5x scale
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.