Finding the Fourth Proportional to 286,262.95, 429,461.87 and 86,584.99
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Solution
The fourth proportional to 286,262.95, 429,461.87 and 86,584.99 is: 129,897.88
Step by Step Solution
- Step 1: Write the proportion equation
286,262.95 : 429,461.87 = 86,584.99 : x - Step 2: Convert to fraction form
286,262.95/429,461.87 = 86,584.99/x - Step 3: Cross multiply
286,262.95x = 429,461.87 × 86,584.99 - Step 4: Simplify right side
286,262.95x = 37,184,951,719.33 - Step 5: Solve for x
x = 37,184,951,719.33/286,262.95 - Step 6: Final answer
x = 129,897.88
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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.