Finding the Fourth Proportional to 475,430.55, 713,140.38 and 115,603.44
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Solution
The fourth proportional to 475,430.55, 713,140.38 and 115,603.44 is: 173,403.84
Step by Step Solution
- Step 1: Write the proportion equation
475,430.55 : 713,140.38 = 115,603.44 : x - Step 2: Convert to fraction form
475,430.55/713,140.38 = 115,603.44/x - Step 3: Cross multiply
475,430.55x = 713,140.38 × 115,603.44 - Step 4: Simplify right side
475,430.55x = 82,441,481,130.91 - Step 5: Solve for x
x = 82,441,481,130.91/475,430.55 - Step 6: Final answer
x = 173,403.84
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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.