Finding the Fourth Proportional to 351,106.40, 526,659.60 and 201,807.20
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Solution
The fourth proportional to 351,106.40, 526,659.60 and 201,807.20 is: 302,710.80
Step by Step Solution
- Step 1: Write the proportion equation
351,106.40 : 526,659.60 = 201,807.20 : x - Step 2: Convert to fraction form
351,106.40/526,659.60 = 201,807.20/x - Step 3: Cross multiply
351,106.40x = 526,659.60 × 201,807.20 - Step 4: Simplify right side
351,106.40x = 106,283,699,229.12 - Step 5: Solve for x
x = 106,283,699,229.12/351,106.40 - Step 6: Final answer
x = 302,710.80
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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.