Finding the Fourth Proportional to 302,429.16, 453,644.93 and 122,517.99
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Solution
The fourth proportional to 302,429.16, 453,644.93 and 122,517.99 is: 183,777.46
Step by Step Solution
- Step 1: Write the proportion equation
302,429.16 : 453,644.93 = 122,517.99 : x - Step 2: Convert to fraction form
302,429.16/453,644.93 = 122,517.99/x - Step 3: Cross multiply
302,429.16x = 453,644.93 × 122,517.99 - Step 4: Simplify right side
302,429.16x = 55,579,664,027.71 - Step 5: Solve for x
x = 55,579,664,027.71/302,429.16 - Step 6: Final answer
x = 183,777.46
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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.