Finding the Fourth Proportional to 346,120.21, 519,235.21 and 146,442.09
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Solution
The fourth proportional to 346,120.21, 519,235.21 and 146,442.09 is: 219,686.37
Step by Step Solution
- Step 1: Write the proportion equation
346,120.21 : 519,235.21 = 146,442.09 : x - Step 2: Convert to fraction form
346,120.21/519,235.21 = 146,442.09/x - Step 3: Cross multiply
346,120.21x = 519,235.21 × 146,442.09 - Step 4: Simplify right side
346,120.21x = 76,037,891,484.17 - Step 5: Solve for x
x = 76,037,891,484.17/346,120.21 - Step 6: Final answer
x = 219,686.37
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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.