Finding the Fourth Proportional to 490,739.23, 736,108.95 and 153,779.80
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Solution
The fourth proportional to 490,739.23, 736,108.95 and 153,779.80 is: 230,669.73
Step by Step Solution
- Step 1: Write the proportion equation
490,739.23 : 736,108.95 = 153,779.80 : x - Step 2: Convert to fraction form
490,739.23/736,108.95 = 153,779.80/x - Step 3: Cross multiply
490,739.23x = 736,108.95 × 153,779.80 - Step 4: Simplify right side
490,739.23x = 113,198,687,109.21 - Step 5: Solve for x
x = 113,198,687,109.21/490,739.23 - Step 6: Final answer
x = 230,669.73
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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.