Finding the Fourth Proportional to 499,295.63, 689,027.97 and 272,941.13
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Solution
The fourth proportional to 499,295.63, 689,027.97 and 272,941.13 is: 376,658.76
Step by Step Solution
- Step 1: Write the proportion equation
499,295.63 : 689,027.97 = 272,941.13 : x - Step 2: Convert to fraction form
499,295.63/689,027.97 = 272,941.13/x - Step 3: Cross multiply
499,295.63x = 689,027.97 × 272,941.13 - Step 4: Simplify right side
499,295.63x = 188,064,069,288.27 - Step 5: Solve for x
x = 188,064,069,288.27/499,295.63 - Step 6: Final answer
x = 376,658.76
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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.