Finding the Fourth Proportional to 472,201.65, 651,619.28 and 257,337.07
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Solution
The fourth proportional to 472,201.65, 651,619.28 and 257,337.07 is: 355,114.80
Step by Step Solution
- Step 1: Write the proportion equation
472,201.65 : 651,619.28 = 257,337.07 : x - Step 2: Convert to fraction form
472,201.65/651,619.28 = 257,337.07/x - Step 3: Cross multiply
472,201.65x = 651,619.28 × 257,337.07 - Step 4: Simplify right side
472,201.65x = 167,685,795,285.00 - Step 5: Solve for x
x = 167,685,795,285.00/472,201.65 - Step 6: Final answer
x = 355,114.80
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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.