Finding the Fourth Proportional to 317,488.66, 438,133.98 and 174,249.06
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Solution
The fourth proportional to 317,488.66, 438,133.98 and 174,249.06 is: 240,463.50
Step by Step Solution
- Step 1: Write the proportion equation
317,488.66 : 438,133.98 = 174,249.06 : x - Step 2: Convert to fraction form
317,488.66/438,133.98 = 174,249.06/x - Step 3: Cross multiply
317,488.66x = 438,133.98 × 174,249.06 - Step 4: Simplify right side
317,488.66x = 76,344,434,169.06 - Step 5: Solve for x
x = 76,344,434,169.06/317,488.66 - Step 6: Final answer
x = 240,463.50
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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.