Finding the Fourth Proportional to 438,331.80, 657,497.70 and 364,520.55
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Solution
The fourth proportional to 438,331.80, 657,497.70 and 364,520.55 is: 546,780.83
Step by Step Solution
- Step 1: Write the proportion equation
438,331.80 : 657,497.70 = 364,520.55 : x - Step 2: Convert to fraction form
438,331.80/657,497.70 = 364,520.55/x - Step 3: Cross multiply
438,331.80x = 657,497.70 × 364,520.55 - Step 4: Simplify right side
438,331.80x = 239,671,423,227.74 - Step 5: Solve for x
x = 239,671,423,227.74/438,331.80 - Step 6: Final answer
x = 546,780.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.