Finding the Fourth Proportional to 436,840.32, 602,739.91 and 245,784.00
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Solution
The fourth proportional to 436,840.32, 602,739.91 and 245,784.00 is: 339,125.80
Step by Step Solution
- Step 1: Write the proportion equation
436,840.32 : 602,739.91 = 245,784.00 : x - Step 2: Convert to fraction form
436,840.32/602,739.91 = 245,784.00/x - Step 3: Cross multiply
436,840.32x = 602,739.91 × 245,784.00 - Step 4: Simplify right side
436,840.32x = 148,143,822,411.28 - Step 5: Solve for x
x = 148,143,822,411.28/436,840.32 - Step 6: Final answer
x = 339,125.80
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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.