Finding the Fourth Proportional to 453,953.60, 681,319.20 and 201,622.40
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Solution
The fourth proportional to 453,953.60, 681,319.20 and 201,622.40 is: 302,606.28
Step by Step Solution
- Step 1: Write the proportion equation
453,953.60 : 681,319.20 = 201,622.40 : x - Step 2: Convert to fraction form
453,953.60/681,319.20 = 201,622.40/x - Step 3: Cross multiply
453,953.60x = 681,319.20 × 201,622.40 - Step 4: Simplify right side
453,953.60x = 137,369,212,270.08 - Step 5: Solve for x
x = 137,369,212,270.08/453,953.60 - Step 6: Final answer
x = 302,606.28
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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.