Finding the Fourth Proportional to 346,318.20, 519,477.30 and 121,713.30
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Solution
The fourth proportional to 346,318.20, 519,477.30 and 121,713.30 is: 182,569.95
Step by Step Solution
- Step 1: Write the proportion equation
346,318.20 : 519,477.30 = 121,713.30 : x - Step 2: Convert to fraction form
346,318.20/519,477.30 = 121,713.30/x - Step 3: Cross multiply
346,318.20x = 519,477.30 × 121,713.30 - Step 4: Simplify right side
346,318.20x = 63,227,296,458.09 - Step 5: Solve for x
x = 63,227,296,458.09/346,318.20 - Step 6: Final answer
x = 182,569.95
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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.