Finding the Fourth Proportional to 317,297.80, 475,968.30 and 101,139.40
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Solution
The fourth proportional to 317,297.80, 475,968.30 and 101,139.40 is: 151,715.99
Step by Step Solution
- Step 1: Write the proportion equation
317,297.80 : 475,968.30 = 101,139.40 : x - Step 2: Convert to fraction form
317,297.80/475,968.30 = 101,139.40/x - Step 3: Cross multiply
317,297.80x = 475,968.30 × 101,139.40 - Step 4: Simplify right side
317,297.80x = 48,139,148,281.02 - Step 5: Solve for x
x = 48,139,148,281.02/317,297.80 - Step 6: Final answer
x = 151,715.99
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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.