Finding the Fourth Proportional to 453,935.10, 681,048.45 and 201,117.90
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Solution
The fourth proportional to 453,935.10, 681,048.45 and 201,117.90 is: 301,741.45
Step by Step Solution
- Step 1: Write the proportion equation
453,935.10 : 681,048.45 = 201,117.90 : x - Step 2: Convert to fraction form
453,935.10/681,048.45 = 201,117.90/x - Step 3: Cross multiply
453,935.10x = 681,048.45 × 201,117.90 - Step 4: Simplify right side
453,935.10x = 136,971,034,062.26 - Step 5: Solve for x
x = 136,971,034,062.26/453,935.10 - Step 6: Final answer
x = 301,741.45
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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.