Finding the Fourth Proportional to 318,947.14, 440,152.68 and 175,706.20
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Solution
The fourth proportional to 318,947.14, 440,152.68 and 175,706.20 is: 242,477.66
Step by Step Solution
- Step 1: Write the proportion equation
318,947.14 : 440,152.68 = 175,706.20 : x - Step 2: Convert to fraction form
318,947.14/440,152.68 = 175,706.20/x - Step 3: Cross multiply
318,947.14x = 440,152.68 × 175,706.20 - Step 4: Simplify right side
318,947.14x = 77,337,554,822.62 - Step 5: Solve for x
x = 77,337,554,822.62/318,947.14 - Step 6: Final answer
x = 242,477.66
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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.