Finding the Fourth Proportional to 491,176.52, 736,764.96 and 220,989.08
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Solution
The fourth proportional to 491,176.52, 736,764.96 and 220,989.08 is: 331,483.70
Step by Step Solution
- Step 1: Write the proportion equation
491,176.52 : 736,764.96 = 220,989.08 : x - Step 2: Convert to fraction form
491,176.52/736,764.96 = 220,989.08/x - Step 3: Cross multiply
491,176.52x = 736,764.96 × 220,989.08 - Step 4: Simplify right side
491,176.52x = 162,817,010,686.64 - Step 5: Solve for x
x = 162,817,010,686.64/491,176.52 - Step 6: Final answer
x = 331,483.70
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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.