Finding the Fourth Proportional to 343,125.81, 514,721.97 and 106,404.93
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Solution
The fourth proportional to 343,125.81, 514,721.97 and 106,404.93 is: 159,617.71
Step by Step Solution
- Step 1: Write the proportion equation
343,125.81 : 514,721.97 = 106,404.93 : x - Step 2: Convert to fraction form
343,125.81/514,721.97 = 106,404.93/x - Step 3: Cross multiply
343,125.81x = 514,721.97 × 106,404.93 - Step 4: Simplify right side
343,125.81x = 54,768,955,187.31 - Step 5: Solve for x
x = 54,768,955,187.31/343,125.81 - Step 6: Final answer
x = 159,617.71
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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.