Finding the Fourth Proportional to 490,793.18, 736,206.14 and 135,777.47
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Solution
The fourth proportional to 490,793.18, 736,206.14 and 135,777.47 is: 203,670.73
Step by Step Solution
- Step 1: Write the proportion equation
490,793.18 : 736,206.14 = 135,777.47 : x - Step 2: Convert to fraction form
490,793.18/736,206.14 = 135,777.47/x - Step 3: Cross multiply
490,793.18x = 736,206.14 × 135,777.47 - Step 4: Simplify right side
490,793.18x = 99,960,203,746.08 - Step 5: Solve for x
x = 99,960,203,746.08/490,793.18 - Step 6: Final answer
x = 203,670.73
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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.