Finding the Fourth Proportional to 286,186.24, 429,182.16 and 99,154.08
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Solution
The fourth proportional to 286,186.24, 429,182.16 and 99,154.08 is: 148,697.44
Step by Step Solution
- Step 1: Write the proportion equation
286,186.24 : 429,182.16 = 99,154.08 : x - Step 2: Convert to fraction form
286,186.24/429,182.16 = 99,154.08/x - Step 3: Cross multiply
286,186.24x = 429,182.16 × 99,154.08 - Step 4: Simplify right side
286,186.24x = 42,555,162,227.21 - Step 5: Solve for x
x = 42,555,162,227.21/286,186.24 - Step 6: Final answer
x = 148,697.44
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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.