Finding the Fourth Proportional to 458,048.35, 686,750.61 and 201,759.31
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Solution
The fourth proportional to 458,048.35, 686,750.61 and 201,759.31 is: 302,497.17
Step by Step Solution
- Step 1: Write the proportion equation
458,048.35 : 686,750.61 = 201,759.31 : x - Step 2: Convert to fraction form
458,048.35/686,750.61 = 201,759.31/x - Step 3: Cross multiply
458,048.35x = 686,750.61 × 201,759.31 - Step 4: Simplify right side
458,048.35x = 138,558,329,215.68 - Step 5: Solve for x
x = 138,558,329,215.68/458,048.35 - Step 6: Final answer
x = 302,497.17
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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.