Finding the Fourth Proportional to 493,739.55, 740,543.67 and 194,139.68
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Solution
The fourth proportional to 493,739.55, 740,543.67 and 194,139.68 is: 291,183.70
Step by Step Solution
- Step 1: Write the proportion equation
493,739.55 : 740,543.67 = 194,139.68 : x - Step 2: Convert to fraction form
493,739.55/740,543.67 = 194,139.68/x - Step 3: Cross multiply
493,739.55x = 740,543.67 × 194,139.68 - Step 4: Simplify right side
493,739.55x = 143,768,907,417.11 - Step 5: Solve for x
x = 143,768,907,417.11/493,739.55 - Step 6: Final answer
x = 291,183.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.