Finding the Fourth Proportional to 475,940.55, 713,840.60 and 138,890.70
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Solution
The fourth proportional to 475,940.55, 713,840.60 and 138,890.70 is: 208,315.56
Step by Step Solution
- Step 1: Write the proportion equation
475,940.55 : 713,840.60 = 138,890.70 : x - Step 2: Convert to fraction form
475,940.55/713,840.60 = 138,890.70/x - Step 3: Cross multiply
475,940.55x = 713,840.60 × 138,890.70 - Step 4: Simplify right side
475,940.55x = 99,145,823,386.13 - Step 5: Solve for x
x = 99,145,823,386.13/475,940.55 - Step 6: Final answer
x = 208,315.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.