Finding the Fourth Proportional to 408,037.98, 563,159.28 and 339,946.98
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Solution
The fourth proportional to 408,037.98, 563,159.28 and 339,946.98 is: 469,182.54
Step by Step Solution
- Step 1: Write the proportion equation
408,037.98 : 563,159.28 = 339,946.98 : x - Step 2: Convert to fraction form
408,037.98/563,159.28 = 339,946.98/x - Step 3: Cross multiply
408,037.98x = 563,159.28 × 339,946.98 - Step 4: Simplify right side
408,037.98x = 191,444,296,494.97 - Step 5: Solve for x
x = 191,444,296,494.97/408,037.98 - Step 6: Final answer
x = 469,182.54
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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.