Finding the Fourth Proportional to 814,068.18, 1,221,160.58 and 215,023.36
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Solution
The fourth proportional to 814,068.18, 1,221,160.58 and 215,023.36 is: 322,550.44
Step by Step Solution
- Step 1: Write the proportion equation
814,068.18 : 1,221,160.58 = 215,023.36 : x - Step 2: Convert to fraction form
814,068.18/1,221,160.58 = 215,023.36/x - Step 3: Cross multiply
814,068.18x = 1,221,160.58 × 215,023.36 - Step 4: Simplify right side
814,068.18x = 262,578,051,011.15 - Step 5: Solve for x
x = 262,578,051,011.15/814,068.18 - Step 6: Final answer
x = 322,550.44
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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.