Finding the Fourth Proportional to 432,972.11, 597,455.72 and 239,348.63
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Solution
The fourth proportional to 432,972.11, 597,455.72 and 239,348.63 is: 330,275.79
Step by Step Solution
- Step 1: Write the proportion equation
432,972.11 : 597,455.72 = 239,348.63 : x - Step 2: Convert to fraction form
432,972.11/597,455.72 = 239,348.63/x - Step 3: Cross multiply
432,972.11x = 597,455.72 × 239,348.63 - Step 4: Simplify right side
432,972.11x = 143,000,207,919.22 - Step 5: Solve for x
x = 143,000,207,919.22/432,972.11 - Step 6: Final answer
x = 330,275.79
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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.