Finding the Fourth Proportional to 297,212.30, 445,475.12 and 136,953.17
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Solution
The fourth proportional to 297,212.30, 445,475.12 and 136,953.17 is: 205,271.54
Step by Step Solution
- Step 1: Write the proportion equation
297,212.30 : 445,475.12 = 136,953.17 : x - Step 2: Convert to fraction form
297,212.30/445,475.12 = 136,953.17/x - Step 3: Cross multiply
297,212.30x = 445,475.12 × 136,953.17 - Step 4: Simplify right side
297,212.30x = 61,009,226,927.99 - Step 5: Solve for x
x = 61,009,226,927.99/297,212.30 - Step 6: Final answer
x = 205,271.54
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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.