Finding the Fourth Proportional to 470,916.84, 649,862.04 and 256,057.08
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Solution
The fourth proportional to 470,916.84, 649,862.04 and 256,057.08 is: 353,357.03
Step by Step Solution
- Step 1: Write the proportion equation
470,916.84 : 649,862.04 = 256,057.08 : x - Step 2: Convert to fraction form
470,916.84/649,862.04 = 256,057.08/x - Step 3: Cross multiply
470,916.84x = 649,862.04 × 256,057.08 - Step 4: Simplify right side
470,916.84x = 166,401,776,365.24 - Step 5: Solve for x
x = 166,401,776,365.24/470,916.84 - Step 6: Final answer
x = 353,357.03
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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.