Finding the Fourth Proportional to 286,345.61, 429,022.28 and 173,789.99
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Solution
The fourth proportional to 286,345.61, 429,022.28 and 173,789.99 is: 260,383.87
Step by Step Solution
- Step 1: Write the proportion equation
286,345.61 : 429,022.28 = 173,789.99 : x - Step 2: Convert to fraction form
286,345.61/429,022.28 = 173,789.99/x - Step 3: Cross multiply
286,345.61x = 429,022.28 × 173,789.99 - Step 4: Simplify right side
286,345.61x = 74,559,777,750.98 - Step 5: Solve for x
x = 74,559,777,750.98/286,345.61 - Step 6: Final answer
x = 260,383.87
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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.