Finding the Fourth Proportional to 364,209.20, 546,313.80 and 328,779.80
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Solution
The fourth proportional to 364,209.20, 546,313.80 and 328,779.80 is: 493,169.70
Step by Step Solution
- Step 1: Write the proportion equation
364,209.20 : 546,313.80 = 328,779.80 : x - Step 2: Convert to fraction form
364,209.20/546,313.80 = 328,779.80/x - Step 3: Cross multiply
364,209.20x = 546,313.80 × 328,779.80 - Step 4: Simplify right side
364,209.20x = 179,616,941,901.24 - Step 5: Solve for x
x = 179,616,941,901.24/364,209.20 - Step 6: Final answer
x = 493,169.70
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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.