Finding the Fourth Proportional to 517,251.06, 713,699.50 and 302,349.55
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Solution
The fourth proportional to 517,251.06, 713,699.50 and 302,349.55 is: 417,179.86
Step by Step Solution
- Step 1: Write the proportion equation
517,251.06 : 713,699.50 = 302,349.55 : x - Step 2: Convert to fraction form
517,251.06/713,699.50 = 302,349.55/x - Step 3: Cross multiply
517,251.06x = 713,699.50 × 302,349.55 - Step 4: Simplify right side
517,251.06x = 215,786,722,660.23 - Step 5: Solve for x
x = 215,786,722,660.23/517,251.06 - Step 6: Final answer
x = 417,179.86
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.