Finding the Fourth Proportional to 814,066.18, 1,221,157.58 and 215,021.36
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Solution
The fourth proportional to 814,066.18, 1,221,157.58 and 215,021.36 is: 322,547.44
Step by Step Solution
- Step 1: Write the proportion equation
814,066.18 : 1,221,157.58 = 215,021.36 : x - Step 2: Convert to fraction form
814,066.18/1,221,157.58 = 215,021.36/x - Step 3: Cross multiply
814,066.18x = 1,221,157.58 × 215,021.36 - Step 4: Simplify right side
814,066.18x = 262,574,963,625.91 - Step 5: Solve for x
x = 262,574,963,625.91/814,066.18 - Step 6: Final answer
x = 322,547.44
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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.