Finding the Fourth Proportional to 858,645.68, 1,288,003.55 and 218,966.00
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Solution
The fourth proportional to 858,645.68, 1,288,003.55 and 218,966.00 is: 328,457.93
Step by Step Solution
- Step 1: Write the proportion equation
858,645.68 : 1,288,003.55 = 218,966.00 : x - Step 2: Convert to fraction form
858,645.68/1,288,003.55 = 218,966.00/x - Step 3: Cross multiply
858,645.68x = 1,288,003.55 × 218,966.00 - Step 4: Simplify right side
858,645.68x = 282,028,977,794.45 - Step 5: Solve for x
x = 282,028,977,794.45/858,645.68 - Step 6: Final answer
x = 328,457.93
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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.