Finding the Fourth Proportional to 346,899.70, 520,090.35 and 189,306.10
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Solution
The fourth proportional to 346,899.70, 520,090.35 and 189,306.10 is: 283,817.70
Step by Step Solution
- Step 1: Write the proportion equation
346,899.70 : 520,090.35 = 189,306.10 : x - Step 2: Convert to fraction form
346,899.70/520,090.35 = 189,306.10/x - Step 3: Cross multiply
346,899.70x = 520,090.35 × 189,306.10 - Step 4: Simplify right side
346,899.70x = 98,456,275,806.14 - Step 5: Solve for x
x = 98,456,275,806.14/346,899.70 - Step 6: Final answer
x = 283,817.70
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1.5x scale
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.