Finding the Fourth Proportional to 420,963.52, 580,941.06 and 251,296.12
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Solution
The fourth proportional to 420,963.52, 580,941.06 and 251,296.12 is: 346,795.45
Step by Step Solution
- Step 1: Write the proportion equation
420,963.52 : 580,941.06 = 251,296.12 : x - Step 2: Convert to fraction form
420,963.52/580,941.06 = 251,296.12/x - Step 3: Cross multiply
420,963.52x = 580,941.06 × 251,296.12 - Step 4: Simplify right side
420,963.52x = 145,988,234,326.69 - Step 5: Solve for x
x = 145,988,234,326.69/420,963.52 - Step 6: Final answer
x = 346,795.45
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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.