Finding the Fourth Proportional to 475,372.09, 713,059.35 and 120,386.15
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Solution
The fourth proportional to 475,372.09, 713,059.35 and 120,386.15 is: 180,579.53
Step by Step Solution
- Step 1: Write the proportion equation
475,372.09 : 713,059.35 = 120,386.15 : x - Step 2: Convert to fraction form
475,372.09/713,059.35 = 120,386.15/x - Step 3: Cross multiply
475,372.09x = 713,059.35 × 120,386.15 - Step 4: Simplify right side
475,372.09x = 85,842,469,868.00 - Step 5: Solve for x
x = 85,842,469,868.00/475,372.09 - Step 6: Final answer
x = 180,579.53
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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.