Finding the Fourth Proportional to 107,355.84, 160,997.28 and 40,779.90
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Solution
The fourth proportional to 107,355.84, 160,997.28 and 40,779.90 is: 61,155.99
Step by Step Solution
- Step 1: Write the proportion equation
107,355.84 : 160,997.28 = 40,779.90 : x - Step 2: Convert to fraction form
107,355.84/160,997.28 = 40,779.90/x - Step 3: Cross multiply
107,355.84x = 160,997.28 × 40,779.90 - Step 4: Simplify right side
107,355.84x = 6,565,452,978.67 - Step 5: Solve for x
x = 6,565,452,978.67/107,355.84 - Step 6: Final answer
x = 61,155.99
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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.