Finding the Fourth Proportional to 431,102.32, 594,921.36 and 249,919.28
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Solution
The fourth proportional to 431,102.32, 594,921.36 and 249,919.28 is: 344,888.70
Step by Step Solution
- Step 1: Write the proportion equation
431,102.32 : 594,921.36 = 249,919.28 : x - Step 2: Convert to fraction form
431,102.32/594,921.36 = 249,919.28/x - Step 3: Cross multiply
431,102.32x = 594,921.36 × 249,919.28 - Step 4: Simplify right side
431,102.32x = 148,682,319,435.12 - Step 5: Solve for x
x = 148,682,319,435.12/431,102.32 - Step 6: Final answer
x = 344,888.70
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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.