Finding the Fourth Proportional to 434,470.84, 598,941.48 and 305,015.14
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Solution
The fourth proportional to 434,470.84, 598,941.48 and 305,015.14 is: 420,479.82
Step by Step Solution
- Step 1: Write the proportion equation
434,470.84 : 598,941.48 = 305,015.14 : x - Step 2: Convert to fraction form
434,470.84/598,941.48 = 305,015.14/x - Step 3: Cross multiply
434,470.84x = 598,941.48 × 305,015.14 - Step 4: Simplify right side
434,470.84x = 182,686,219,374.01 - Step 5: Solve for x
x = 182,686,219,374.01/434,470.84 - Step 6: Final answer
x = 420,479.82
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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.