Finding the Fourth Proportional to 309,228.10, 463,777.35 and 151,569.70
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Solution
The fourth proportional to 309,228.10, 463,777.35 and 151,569.70 is: 227,322.79
Step by Step Solution
- Step 1: Write the proportion equation
309,228.10 : 463,777.35 = 151,569.70 : x - Step 2: Convert to fraction form
309,228.10/463,777.35 = 151,569.70/x - Step 3: Cross multiply
309,228.10x = 463,777.35 × 151,569.70 - Step 4: Simplify right side
309,228.10x = 70,294,593,806.30 - Step 5: Solve for x
x = 70,294,593,806.30/309,228.10 - Step 6: Final answer
x = 227,322.79
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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.