Finding the Fourth Proportional to 313,723.13, 432,937.59 and 170,482.87
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Solution
The fourth proportional to 313,723.13, 432,937.59 and 170,482.87 is: 235,266.17
Step by Step Solution
- Step 1: Write the proportion equation
313,723.13 : 432,937.59 = 170,482.87 : x - Step 2: Convert to fraction form
313,723.13/432,937.59 = 170,482.87/x - Step 3: Cross multiply
313,723.13x = 432,937.59 × 170,482.87 - Step 4: Simplify right side
313,723.13x = 73,808,440,709.40 - Step 5: Solve for x
x = 73,808,440,709.40/313,723.13 - Step 6: Final answer
x = 235,266.17
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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.