Finding the Fourth Proportional to 545,456.23, 817,282.18 and 278,849.99
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Solution
The fourth proportional to 545,456.23, 817,282.18 and 278,849.99 is: 417,813.78
Step by Step Solution
- Step 1: Write the proportion equation
545,456.23 : 817,282.18 = 278,849.99 : x - Step 2: Convert to fraction form
545,456.23/817,282.18 = 278,849.99/x - Step 3: Cross multiply
545,456.23x = 817,282.18 × 278,849.99 - Step 4: Simplify right side
545,456.23x = 227,899,127,720.18 - Step 5: Solve for x
x = 227,899,127,720.18/545,456.23 - Step 6: Final answer
x = 417,813.78
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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.