Finding the Fourth Proportional to 313,303.07, 432,358.76 and 170,063.08
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Solution
The fourth proportional to 313,303.07, 432,358.76 and 170,063.08 is: 234,687.33
Step by Step Solution
- Step 1: Write the proportion equation
313,303.07 : 432,358.76 = 170,063.08 : x - Step 2: Convert to fraction form
313,303.07/432,358.76 = 170,063.08/x - Step 3: Cross multiply
313,303.07x = 432,358.76 × 170,063.08 - Step 4: Simplify right side
313,303.07x = 73,528,262,390.58 - Step 5: Solve for x
x = 73,528,262,390.58/313,303.07 - Step 6: Final answer
x = 234,687.33
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1.5x scale
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.