Finding the Fourth Proportional to 320,703.99, 480,913.83 and 170,916.36
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Solution
The fourth proportional to 320,703.99, 480,913.83 and 170,916.36 is: 256,298.78
Step by Step Solution
- Step 1: Write the proportion equation
320,703.99 : 480,913.83 = 170,916.36 : x - Step 2: Convert to fraction form
320,703.99/480,913.83 = 170,916.36/x - Step 3: Cross multiply
320,703.99x = 480,913.83 × 170,916.36 - Step 4: Simplify right side
320,703.99x = 82,196,041,297.26 - Step 5: Solve for x
x = 82,196,041,297.26/320,703.99 - Step 6: Final answer
x = 256,298.78
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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.