Finding the Fourth Proportional to 532,129.64, 798,165.30 and 321,711.08
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Solution
The fourth proportional to 532,129.64, 798,165.30 and 321,711.08 is: 482,548.99
Step by Step Solution
- Step 1: Write the proportion equation
532,129.64 : 798,165.30 = 321,711.08 : x - Step 2: Convert to fraction form
532,129.64/798,165.30 = 321,711.08/x - Step 3: Cross multiply
532,129.64x = 798,165.30 × 321,711.08 - Step 4: Simplify right side
532,129.64x = 256,778,620,681.52 - Step 5: Solve for x
x = 256,778,620,681.52/532,129.64 - Step 6: Final answer
x = 482,548.99
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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.