Finding the Fourth Proportional to 145,279.74, 217,919.62 and 51,719.88
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Solution
The fourth proportional to 145,279.74, 217,919.62 and 51,719.88 is: 77,579.82
Step by Step Solution
- Step 1: Write the proportion equation
145,279.74 : 217,919.62 = 51,719.88 : x - Step 2: Convert to fraction form
145,279.74/217,919.62 = 51,719.88/x - Step 3: Cross multiply
145,279.74x = 217,919.62 × 51,719.88 - Step 4: Simplify right side
145,279.74x = 11,270,776,596.05 - Step 5: Solve for x
x = 11,270,776,596.05/145,279.74 - Step 6: Final answer
x = 77,579.82
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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.