Finding the Fourth Proportional to 259,591.68, 390,009.60 and 166,279.68
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Solution
The fourth proportional to 259,591.68, 390,009.60 and 166,279.68 is: 249,817.99
Step by Step Solution
- Step 1: Write the proportion equation
259,591.68 : 390,009.60 = 166,279.68 : x - Step 2: Convert to fraction form
259,591.68/390,009.60 = 166,279.68/x - Step 3: Cross multiply
259,591.68x = 390,009.60 × 166,279.68 - Step 4: Simplify right side
259,591.68x = 64,850,671,484.93 - Step 5: Solve for x
x = 64,850,671,484.93/259,591.68 - Step 6: Final answer
x = 249,817.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.