Finding the Fourth Proportional to 279,956.13, 420,032.60 and 122,164.08
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Solution
The fourth proportional to 279,956.13, 420,032.60 and 122,164.08 is: 183,289.06
Step by Step Solution
- Step 1: Write the proportion equation
279,956.13 : 420,032.60 = 122,164.08 : x - Step 2: Convert to fraction form
279,956.13/420,032.60 = 122,164.08/x - Step 3: Cross multiply
279,956.13x = 420,032.60 × 122,164.08 - Step 4: Simplify right side
279,956.13x = 51,312,896,149.01 - Step 5: Solve for x
x = 51,312,896,149.01/279,956.13 - Step 6: Final answer
x = 183,289.06
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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.