Finding the Fourth Proportional to 539,967.06, 809,939.66 and 140,598.99
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Solution
The fourth proportional to 539,967.06, 809,939.66 and 140,598.99 is: 210,895.64
Step by Step Solution
- Step 1: Write the proportion equation
539,967.06 : 809,939.66 = 140,598.99 : x - Step 2: Convert to fraction form
539,967.06/809,939.66 = 140,598.99/x - Step 3: Cross multiply
539,967.06x = 809,939.66 × 140,598.99 - Step 4: Simplify right side
539,967.06x = 113,876,697,453.95 - Step 5: Solve for x
x = 113,876,697,453.95/539,967.06 - Step 6: Final answer
x = 210,895.64
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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.