Finding the Fourth Proportional to 313,109.68, 432,132.05 and 175,341.05
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Solution
The fourth proportional to 313,109.68, 432,132.05 and 175,341.05 is: 241,993.44
Step by Step Solution
- Step 1: Write the proportion equation
313,109.68 : 432,132.05 = 175,341.05 : x - Step 2: Convert to fraction form
313,109.68/432,132.05 = 175,341.05/x - Step 3: Cross multiply
313,109.68x = 432,132.05 × 175,341.05 - Step 4: Simplify right side
313,109.68x = 75,770,487,385.65 - Step 5: Solve for x
x = 75,770,487,385.65/313,109.68 - Step 6: Final answer
x = 241,993.44
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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.