Finding the Fourth Proportional to 310,639.99, 465,276.99 and 256,720.87
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Solution
The fourth proportional to 310,639.99, 465,276.99 and 256,720.87 is: 384,516.86
Step by Step Solution
- Step 1: Write the proportion equation
310,639.99 : 465,276.99 = 256,720.87 : x - Step 2: Convert to fraction form
310,639.99/465,276.99 = 256,720.87/x - Step 3: Cross multiply
310,639.99x = 465,276.99 × 256,720.87 - Step 4: Simplify right side
310,639.99x = 119,446,313,663.78 - Step 5: Solve for x
x = 119,446,313,663.78/310,639.99 - Step 6: Final answer
x = 384,516.86
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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.