Finding the Fourth Proportional to 313,280.92, 432,316.09 and 170,037.91
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Solution
The fourth proportional to 313,280.92, 432,316.09 and 170,037.91 is: 234,646.03
Step by Step Solution
- Step 1: Write the proportion equation
313,280.92 : 432,316.09 = 170,037.91 : x - Step 2: Convert to fraction form
313,280.92/432,316.09 = 170,037.91/x - Step 3: Cross multiply
313,280.92x = 432,316.09 × 170,037.91 - Step 4: Simplify right side
313,280.92x = 73,510,124,402.97 - Step 5: Solve for x
x = 73,510,124,402.97/313,280.92 - Step 6: Final answer
x = 234,646.03
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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.