Finding the Fourth Proportional to 317,988.18, 477,145.69 and 175,807.06
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Solution
The fourth proportional to 317,988.18, 477,145.69 and 175,807.06 is: 263,800.94
Step by Step Solution
- Step 1: Write the proportion equation
317,988.18 : 477,145.69 = 175,807.06 : x - Step 2: Convert to fraction form
317,988.18/477,145.69 = 175,807.06/x - Step 3: Cross multiply
317,988.18x = 477,145.69 × 175,807.06 - Step 4: Simplify right side
317,988.18x = 83,885,579,318.19 - Step 5: Solve for x
x = 83,885,579,318.19/317,988.18 - Step 6: Final answer
x = 263,800.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.