Finding the Fourth Proportional to 500,139.66, 749,832.19 and 162,978.99
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Solution
The fourth proportional to 500,139.66, 749,832.19 and 162,978.99 is: 244,345.53
Step by Step Solution
- Step 1: Write the proportion equation
500,139.66 : 749,832.19 = 162,978.99 : x - Step 2: Convert to fraction form
500,139.66/749,832.19 = 162,978.99/x - Step 3: Cross multiply
500,139.66x = 749,832.19 × 162,978.99 - Step 4: Simplify right side
500,139.66x = 122,206,889,776.37 - Step 5: Solve for x
x = 122,206,889,776.37/500,139.66 - Step 6: Final answer
x = 244,345.53
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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.